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Mark Blumenthal
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Mark Blumenthal is the senior polling editor of the Huffington Post and the founding editor of Pollster.com.

The Huffington Post acquired Pollster.com in July 2010, but HuffPost Pollster’s mission remains the same: To publish and aggregate poll results in uniquely interactive charts and to provide daily running commentary and analysis that explains, demystifies and critiques political polling.

From 2006 to 2010, Pollster.com attracted over 28 millions visits and over 90 million page views. Time named Pollster.com one of the 50 Best Websites for 2009, a list that also included Google, YouTube, Facebook and Twitter. Pollster.com was partly an outgrowth of Blumenthal's Mystery Pollster blog, which he started in September 2004.

In May of 2007, along with Pollster.com co-creator Charles Franklin, Blumenthal received the Warren J. Mitofsky Innovators Award for Pollster.com from the American Association for Public Opinion Research. In 2005, the National Council on Public Polls awarded Blumenthal and the MysteryPollster blog a special citation for its work explaining polls to the Internet reader.

From 2008 to 2010, Blumenthal served as polling analyst for The National Journal, were he wrote a weekly column for NationalJournal.com

Blumenthal worked in the political polling business for more than 20 years, conducting and analyzing political polls and focus groups for Democratic candidates and market research surveys for major corporations. His experience includes work with pollsters Harrison Hickman, Paul Maslin, Kirk Brown, Celinda Lake, Stan Greenberg and 15 years with his former partners David Petts and Anna Bennett in the firm formerly known as Bennett, Petts and Blumenthal (BPB). In January of 2007, he left BPB to devote full time to Pollster.com.

His academic background includes a Political Science degree from the University of Michigan and course work towards a Masters degree at the Joint Program in Survey Methodology (JPSM) at the University of Maryland. He has also served as a guest lecturer at the Communications School at American University and at training seminars sponsored by EMILY's List, the Democratic National Committee and the National Democratic Institute for International Affairs. He served as Communications Chair of the American Association for Public Opinion Research (AAPOR) from 2007 to 2008.

Entries by Mark Blumenthal

HUFFPOLLSTER: Could Obama's Approval Rise In Time For Midterms?

(12) Comments | Posted April 18, 2014 | 5:31 PM

President Obama's approval rating has ticked up but still weighs down Democrats. The RNC's quest for a data advantage remains a work in progress. And anti-Obamacare ads are still flooding the airwaves. This is HuffPollster for Friday, April 18, 2014.

WILL OBAMA'S APPROVAL RATING RISE IN TIME FOR MIDTERMS? -...

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HUFFPOLLSTER: An Early Look At 2014 Senate Polling

(2) Comments | Posted April 17, 2014 | 5:14 PM

A conversation about the forecasting power of early Senate polls gives us an excuse to link to our expanding collection of 2014 Senate poll charts. Americans support stricter gun laws, but question their effectiveness. And insert your polling-on-lab-grown-organs joke here. This is HuffPollster for Thursday, April 17, 2014.

FORECASTING SENATE...

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HUFFPOLLSTER: New Polling Shows Who's Among The Newly Insured

(0) Comments | Posted April 16, 2014 | 5:43 PM

Gallup shares more of their trove of polling data on who's getting insurance via the ACA. Scott appears to be gaining on Crist in Florida. And Americans don't make much of Kathleen Sebelius' departure from HHS. This is HuffPollster for Wednesday, April 16, 2014.

UNINSURED RATE DROPS FASTER IN STATES...

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HUFFPOLLSTER: A Census Change Could Complicate Measuring ACA

(0) Comments | Posted April 15, 2014 | 5:55 PM

Americans, regardless of partisanship, approve of the government's reaction to the Boston bombings. A change in the Census could make comparing data on health insurance levels since 2012 more difficult. And we may have found the world's most confusing chart. This is HuffPollster for Tuesday, April 15, 2014.

GOVERNMENT GETS...

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HUFFPOLLSTER: A Quarter Of You Still Need To File Your Taxes

(0) Comments | Posted April 14, 2014 | 4:12 PM

A majority of Americans don't think doing taxes is hard, even if they're not thrilled about it. Most Jews are celebrating Passover. And data journalism tells us everything we need to know about happy trees. This is HuffPollster for Monday, April 14, 2014.

ONE IN FOUR AMERICANS FILE TAXES AT...

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HUFFPOLLSTER: Scott Brown Trails In New Hampshire Senate Race

(5) Comments | Posted April 11, 2014 | 4:00 PM

Another new poll in New Hampshire finds Scott Brown still trailing Jeanne Shaheen. Gallup finds most attitudes on ACA unchanged, but fewer who expect long-term negative consequences for their families. And Pew Research looks at how America's demographics are changing shape -- literally. This is HuffPollster for Friday, April 11,...

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HUFFPOLLSTER: Scott Brown Trails In New Hampshire Senate Race

(0) Comments | Posted April 11, 2014 | 4:00 PM

Another new poll in New Hampshire finds Scott Brown still trailing Jeanne Shaheen. Gallup finds most attitudes on ACA unchanged, but fewer who expect long-term negative consequences for their families. And Pew Research looks at how America's demographics are changing shape -- literally. This is HuffPollster for Friday, April 11,...

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HUFFPOLLSTER: ACA Matters More To Republicans Than Democrats For 2014

(1) Comments | Posted April 10, 2014 | 5:46 PM

Contrary to surveys released last week, a new Pew Research poll shows no significant change in the popularity of the ACA. Two new polls in Arkansas give the edge to Democrat Mark Pryor. And Fivethirtyeight fields a poll. This is HuffPollster for Thursday, April 10, 2014.

ACA STANCE MORE IMPORTANT...

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HUFFPOLLSTER: New Jerseyans Divided On Christie

(3) Comments | Posted April 9, 2014 | 5:07 PM

New Jersey residents don't buy Christie's defense, but half still approve of his performance. An ACA focus group in Colorado gets a long form write-up from USA Today. And non-representative XBox polls are both a scientific advance and the most boring video game ever. This is HuffPollster for Wednesday, April...

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HUFFPOLLSTER: Voters More Bothered By Politicians' Abuse Of Power Than Affairs

(1) Comments | Posted April 8, 2014 | 5:29 PM

Unfaithfulness bothers voters less than graft. Those who oppose Obamacare because it's "not liberal enough" are not as liberal as you may have assumed. And if you're not already tired of political ads, here are 50,000 more. This is HuffPollster for Tuesday, April 8, 2014.

VOTERS LESS TROUBLED BY POLITICIANS'...

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Those Who Label Obamacare 'Not Liberal Enough' Don't Necessarily Want It To Be More Liberal

(36) Comments | Posted April 8, 2014 | 3:35 PM

WASHINGTON -- Some supporters of the Affordable Care Act claim that polls showing majority opposition to the law are misleading because many of these disapproving Americans really prefer a more liberal alternative. Results of an experimental HuffPost/YouGov survey, however, show that just isn't so.

Since the passage of the health...

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HUFFPOLLSTER: Uninsured Rate Hits 6-Year Low

(2) Comments | Posted April 7, 2014 | 5:42 PM

Gallup finds evidence that Obamacare is working. Three political scientists test knowledge of Ukraine using an interactive map. And most Americans think money corrupts politics, with or without contribution limits. This is HuffPollster for Monday, April 7, 2014.

GALLUP FINDS LOWEST UNINSURED RATE SINCE 2008 - Jenna Levy: " In...

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HUFFPOLLSTER: Past Polls Predict Little Change In Texas' Gun Control Debate

(5) Comments | Posted April 4, 2014 | 5:39 PM

Past polling suggests that the Fort Hood shooting is unlikely to lead to support for gun control. Americans don't like Obamacare, but they don't want to repeal it either. And we have am Obama/Putin polling showdown you won’t want to miss. This is HuffPollster for Friday, April 4, 2014.

FEW...

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HUFFPOLLSTER: Is Obamacare More Popular Than Obama?

(2) Comments | Posted April 3, 2014 | 5:30 PM

A new poll finds 'Obamacare' outpolling Obama. Americans think most politicians are corrupt. And Chris Christie doesn't seem to be burning any bridges among Republicans. This is HuffPollster for Thursday, April 3, 2014.

ANOTHER POLL SHOWS RISING ACA SUPPORT, ENTHUSIASM GAP FAVORING GOP - Mara Liasson: "A new bipartisan NPR...

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HUFFPOLLSTER: Obama's Foreign Policy Rating A Weak Point

(0) Comments | Posted April 2, 2014 | 4:58 PM

Another national poll confirms that foreign policy remains a perceived weak spot for President Obama. Chris Christie's approval rating stabilizes in New Jersey. And a new poll question suggests that voters may not be in a mood to throw all the bums out after all. This is HuffPollster for Wednesday,...

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HUFFPOLLSTER: Why The DC Mayoral Polls Will (Or Won't) Be Right

(0) Comments | Posted April 1, 2014 | 6:08 PM

Shockingly, partisanship drives attitudes on Obamacare more than any other factor. We offer tomorrow's explanations today for why polls did (or did not) forecast outcome of D.C.'s mayoral race. And no, that's not an April Fools' joke. This is HuffPollster for Tuesday, April 1, 2014.

PRE-'SPLAINING THE DC MAYORAL OUTCOME...

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HUFFPOLLSTER: Is ACA Support Really At An All-Time High?

(23) Comments | Posted March 31, 2014 | 6:15 PM

A new poll finds Americans evenly split on the Affordable Care Act -- but not all the polls agree. A survey of veterans find many feel disconnected from civilian life. And Americans back sanctions against Russia, even though most don't think that they'll work. This is HuffPollster for Monday, March...

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HUFFPOLLSTER: Uninsured Americans' Plans Divide Along Party Lines

(12) Comments | Posted March 28, 2014 | 5:36 PM

A new AP-GfK poll shows support for Obamacare falling to a record low, but the write-up leaves out an important detail. Among the uninsured, Democrats are twice as likely as Republicans to say they're getting insurance. And young Americans have moved leftward since 2006. This is HuffPollster for Friday, March...

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HUFFPOLLSTER: One Pollster Reviews Why It Missed The Mark In 2013

(1) Comments | Posted March 27, 2014 | 5:20 PM

A polling misfire in New Jersey renews a lesson from Pre-Election Polling 101. We're thrilled to announce the latest addition to the HuffPost Pollster team. And there's a side to "lefty" voting bias you've probably never considered. This is HuffPollster for Thursday, March 27, 2014.

WHY RUTGERS-EAGLETON GOT IT WRONG...

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HUFFPOLLSTER: Most Americans Are Tired Of ACA Debate

(20) Comments | Posted March 26, 2014 | 5:20 PM

A majority of Americans appear to be weary of the political debate over Obamacare. A new CBS News poll finds a big GOP enthusiasm advantage for 2014. And Gallup notes that seniors have grown more Republican during the Obama years. This is HuffPollster for Wednesday, March 26, 2014.

MANY UNAWARE...

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