A federal judge sided with the Obama campaign and ruled Friday to order Ohio to restore three days of early voting before Election Day, a decision that could affect the outcome of the 2012 election in a key battleground state.

Judge Peter C. Economus of the Southern District Court of Ohio granted an injunction in favor of Obama For America, the Democratic National Committee and the Ohio Democratic Party, which sued Ohio Secretary of State Jon Husted to restore in-person voting in the last weekend before the election.

"On balance, the right of Ohio voters to vote in person during the last three days prior to Election Day -- a right previously conferred to all voters by the State -- outweighs the State's interest in setting the 6 p.m. Friday deadline," ruled the court. "The burden on Ohio voters' right to participate in the national and statewide election is great, as evidenced by the statistical analysis offered by Plaintiffs and not disputed by Defendants. Moreover, the State fails to articulate a precise, compelling interest in establishing the 6 p.m. Friday deadline as applied to non-UOCAVA [Uniformed and Overseas Citizens Absentee Voting Act] voters and has failed to evidence any commitment to the 'exception' it rhetorically extended to UOCAVA voters."

The dispute over military voting spilled into the presidential campaign earlier this month, when the Mitt Romney campaign falsely accused the Obama campaign of trying to curtail rights for military voters, characterizing the lawsuit as an "outrage" and an effort to deprive military voters of extra days to vote.

The Obama campaign lawsuit seeks to expand the voting period for all voters, not to deprive military voters of that opportunity. The judge sided with the Obama camp, calling the early voting restrictions "arbitrary."

The Romney campaign did not immediately respond to a request for comment.

After a chaotic 2004 election, Ohio passed a law allowing early in-person voting on the weekend before the election. In 2008, some 93,000 Ohioans cast votes in that period. Those who did so were more likely to be African-American. A study by Northeast Ohio Voter Advocates found blacks accounted for 56 percent of all in-person early votes in Cuyahoga County, which includes Cleveland, while they accounted for 26 percent of votes overall. In Franklin County, which includes Columbus, African Americans cast 31 percent of early votes and 21 percent of votes overall.

The court ruled that the plaintiffs would suffer "irreparable injury" if early voting was not restored in the three days before election day. The judge also noted the plaintiffs' statistical evidence that low-income and minority voters would be disproportionately affected, which the defense did not counter.

Early voting was curtailed in 2011, when Ohio passed H.B. 194, cutting the number of early voting days and disallowing weekend voting except for military voters. (Subsequent legislative actions have left the weekend voting restrictions in place.) Husted ordered all Ohio counties to allow early voting during weekdays until 7 p.m. in the last two days before the election, but not over the preceding weekend. All voters were given the option of sending in an absentee ballot.

The Ohio Secretary of State's office said it was still reviewing the decision, and the Obama campaign has said that it intends to issue a statement.

University of California of Irvine Professor Rick Hasen wrote on his blog that the case could wind up before the Supreme Court.

This post has been updated to include previous comments by the Romney campaign on the lawsuit and further summary of the ruling.

CORRECTION: This article earlier incorrectly stated that 930,000 voters voted in the final weekend before the 2008 elections. 93,000 cast ballots.

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  • Pennsylvania

    You're an average voter in Pennsylvania. The night before Election Day, your wallet goes missing, leaving you without immediate access to any of the identification you'll need to vote at your local precinct the following morning. This would be a problem under <a href="http://www.ncsl.org/legislatures-elections/elections/voter-id.aspx#PA" target="_hplink">Pennsylvania's proposed photo ID law</a>, since <a href="http://www.huffingtonpost.com/2012/10/02/pennsylvania-voter-id-ruling_n_1919187.html" target="_hplink">blocked by a state judge</a>. While many people in this situation may have backup forms of identification, <a href="http://www.huffingtonpost.com/2012/07/05/pennsylvania-voter-id-law_n_1652469.html" target="_hplink">studies have shown</a> that a significant percentage of would-be voters don't. The state's safeguard against the immediate disenfranchisement of people in this situation would be a provisional ballot cast on the day of the election. But this doesn't mean your vote counts, yet. Anyone who casts a provisional ballot is required to "appear in person at the county board of elections" within six days of the vote to provide proof that their ballot was valid. If you're able to take time away from your job to do this, the process still requires a would-be voter to either show up with valid ID -- a replacement driver's license <a href="http://www.dmv.state.pa.us/fees/index.shtml" target="_hplink">would cost $36</a> and considerable time -- or to <a href="http://www.dmv.state.pa.us/pdotforms/voterid/VoterAffirmationNoProofofID.pdf" target="_hplink">sign an affirmation</a> that you are indigent and not able to afford the fees associated with acquiring a photo ID. Even if you make a rapid and somewhat expensive turnaround to get a replacement ID -- or alternatively swear under oath that you are too poor to pay for such a document -- there is no guarantee that your vote will end up counting. Many elections are largely decided before provisional voters have a chance to verify their validity, which could serve to discouraging them from following up with election officials or leave them effectively disenfranchised. In 2008, <a href="http://www.eac.gov/assets/1/Documents/2008 Election Administration and Voting Survey EAVS Report.pdf" target="_hplink">only 61.8 percent</a> of all provisional ballots cast were fully counted. If strict photo ID measures were implemented, however, the number of provisional ballots submitted would likely increase, as would the requirements for voters hoping to make them count. <em>(Photo: AP)</em>

  • Georgia

    Eleven percent of eligible voters say they lack current government-issued photo IDs, a <a href="http://www.brennancenter.org/page/-/d/download_file_39242.pdf" target="_hplink">survey</a> on the potential impact of voter ID laws found. You live in Georgia and you're one of them. Like 66,515 other Georgians, according to a <a href="http://brennan.3cdn.net/773c569439b50452e0_kzm6bo5l6.pdf" target="_hplink">recent study</a> from the Brennan Center for Justice, you also lack vehicle access and live more than 10 miles from an office that issues state ID. As a registered voter who's skipped the past few elections, you decide you'll vote this year. But you spend your life working multiple jobs to provide for your family, not tuned in to a news cycle that may have told you about a voter ID law that changed the requirements. If you were aware of the measure, you'd know that you have to get yourself to a state office during business hours to procure a photo ID in order to vote. According to the Brennan Center, these facilities are often only open part time, especially in areas with the highest concentration of people of color and in poverty. While the state does offer a free photo ID initiative, the Brennan Center points out that many of the offices provide confusing or inaccurate information about what Georgians need to do to get one. This may be a tough task as you juggle a strenuous work schedule with other commitments -- and that's assuming you're aware of the requirement. But you're not, so you head to your voting precinct on election day with no access to an acceptable form of identification and vote with a provisional ballot. To <a href="http://sos.georgia.gov/gaphotoid/3679BasicVotingInfo_printer final.pdf" target="_hplink">verify that ballot</a>, you'll have two days to present appropriate photo ID at your county registrar's office, which at this point wouldn't be doable. <em>(Photo: AP)</em>

  • Tennessee

    As an elderly Tennessee resident, you've made a decades-long Election Day habit of traveling to your local polling place and exercising your franchise. It's an important day for you, and it gives you the rare opportunity to leave your house, where you live alone. For a number of years, you've had an identification card that allows you to vote. But thanks to the state's strict new voter ID law, that document will no longer be sufficient. Reports <a href="http://www.wbir.com/news/article/185824/2/Tennessee-voter-ID-law-awaits-effect-on-seniors" target="_hplink">found</a> that 230,000 Tennesseans older than 60 possess driver's licenses that don't have photos on them. Such ID will not be accepted at polling places in November. While the state has agreed to issue photo IDs free to anyone who asks, a <a href="http://www.huffingtonpost.com/2012/07/12/tennessee-voter-id-law-program_n_1669323.html" target="_hplink">recent study</a> found that only a tiny percentage of potential targets have applied. Perhaps that's because people like you weren't aware of exactly how the change was going to affect them. Maybe you weren't even aware of the change. Poll workers tell you that you can cast a provisional ballot on Election Day. You'll <a href="http://www.ncsl.org/legislatures-elections/elections/voter-id.aspx#tn" target="_hplink">have until</a> "the close of business on the second business day after the election" to find an applicable piece of identification -- which you don't have -- and present it to a designated elections official. Whether it's your lack of an acceptable form of identification, the difficulty in finding transportation back to the elections official, or the prospect of having to go through the drain of the entire process again, you're discouraged, and give up. <em>(Photo: AP)</em>

  • Kansas

    You're a resident of Kansas in your early 60s, fully expecting to vote in November. Your driver's license is your primary form of ID, but you rarely carry it anymore. You don't drive and you haven't traveled abroad in years, leaving your passport expired or lost. In the months before the election, you changed addresses, and for some reason never received a notification from the state reminding you that your license had expired. On the day of the election, you head to your polling place, unaware that you're about to be told your license is expired and therefore invalid according to the state's new voter ID law (Kansans over the age of 65 can use expired IDs, but you're not there yet). You're given a provisional ballot and informed that <a href="http://www.ncsl.org/legislatures-elections/elections/voter-id.aspx#Kansas" target="_hplink">you must</a> now "provide a valid form of identification to the county election officer in person or provide a copy by mail or electronic means before the meeting of the county board of canvassers." While Kansas says it has <a href="http://www.wycokck.org/Internet2010ElectionBanner.aspx?menu_id=1092&banner=27765&id=26946" target="_hplink">historically counted</a> around 70 percent of its provisional ballots, this year provides a different landscape. The next steps can be somewhat difficult, and with the enacting of the state's photo ID law, the use of such ballots will undoubtedly become more commonplace. Faced with disenfranchisement, you must now race against the clock to have your vote included. With no other acceptable forms of ID available, you go about the process of renewing your license. <a href="http://www.ksrevenue.org/renewingdl.html" target="_hplink">According to the state</a>, this requires you to make your way to a state office, where you'll have to provide a number of identifying documents and pay the fee. By the time you can find someone to chauffeur you through this process -- public transportation is complex and unreliable where you live, <a href="http://www.kansas.com/2012/07/24/2418365/voter-id-law-burdens-wichita.html" target="_hplink">even if you're in an urban center</a> -- most of the major election results have been announced on the news. You decide the undertaking isn't worth the time. <em>(Photo: AP)</em>

  • Indiana

    You're a first-time voter in Indiana who <a href="https://forms.in.gov/Download.aspx?id=9341" target="_hplink">registered to vote</a> at the Bureau of Motor Vehicles using your Social Security number, a process that also <a href="http://www.in.gov/bmv/2339.htm" target="_hplink">required you</a> to get a state identification card, which you placed in your wallet. As a recent high school graduate who commutes with other workers to your full time job on a farm, you rarely need to present identification, so you didn't even bother to get a new ID card when it went missing from your locker a few weeks before the election. You risk potential firing when you travel to your polling place with other members of your community on voting day, but you're intent on participating in your first election. Without valid photo ID, however, you don't get to pull the lever. Under Indiana's new photo ID law, you're instead required to fill out a provisional ballot. But you're told you'll still need to jump through additional hoops that could prove too demanding. Now tasked with making visits during business hours to both the Indiana BMV to <a href="http://www.dmv.com/in/indiana/drivers-license-replacement" target="_hplink">get a replacement ID</a>, and then to the <a href="http://www.ncsl.org/legislatures-elections/elections/voter-id.aspx#in" target="_hplink">county elections board</a> to verify your ballot, you decide keeping your job is more important than voting. <em>(Photo: AP)</em>

  • Pennsylvania, Part II

    Viviette Applewhite was the lead plaintiff in a lawsuit challenging the constitutionality of Pennsylvania's new voter ID measure. She's a 93-year-old great-great grandmother who has voted regularly for decades. She claimed she didn't have access to any of the documents she'd need to vote. With no driver's license and no birth certificate, needed to get a photo ID, Applewhite said she'd be disenfranchised by the law. And she wasn't the only one. A <a href="http://www.aclupa.org/legal/legaldocket/applewhiteetalvcommonwealt/voteridclients.htm" target="_hplink">number of other plantiffs in the ACLU case</a> against Pennsylvania's photo ID law claimed they had been unsuccessful in attempts to get copies of their birth certificates and other papers due to complexities in the state's record-keeping. Most claimed the measure would take away their vote. The law has since been blocked for this election cycle.

  • Georgia, Part II

    You're a longtime resident of Georgia, but you've just recently returned home from a six-month out-of-town assignment from your job. You get into town on the Monday before Election Day. Most of your possessions are still being shipped from halfway across the country. Old friends invite you to a bar to catch up, but in the process of removing your driver's license from your wallet to present to a bouncer, it cracks in half, leaving it officially invalidated. Without a valid license, you won't be able to cast a ballot the next day. You'd renew it and choke down the $20 or more fee <a href="http://www.dmv.org/ga-georgia/id-cards.php#Replacing-an-ID-Card-" target="_hplink">for the replacement</a>, but the documents you need to present are in the moving truck. An election official informs you that you can fill out a provision ballot on Election Day. To <a href="http://sos.georgia.gov/gaphotoid/3679BasicVotingInfo_printer final.pdf" target="_hplink">verify that ballot</a>, you'll have two days afterward to present appropriate photo ID at your county registrar's office. Either you're telling the moving company to drive twice the speed limit for the next 48 hours straight, or you're accepting your disenfranchisement. <em>(Photo: AP)</em>