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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: Has Rubio Really Jumped To The Head Of The GOP Pack?

(137) Comments | Posted April 24, 2015 | 9:27 AM

Marco Rubio is the latest Republican to get a modest horse race poll bounce, but will it last? Support for same sex marriage hits another new high. And Chris Christie has a bad week. This is HuffPollster for Friday, April 24, 2015.

Presidential aspirants can get poll "bounces" when they...

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Do These Poll Ratings Mark A Turning Point For Obamacare?

(41) Comments | Posted April 21, 2015 | 6:36 PM

Favorable impressions of President Barack Obama's Affordable Care Act have increased slightly in recent months, showing the highest positive rating in a key tracking poll since the autumn of 2012.

While the change is small, the reasons behind it hint at shifts in the political environment that may foreshadow...

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Chris Christie's Ratings Hit A New Low In New Jersey

(348) Comments | Posted April 20, 2015 | 3:01 PM

Gov. Chris Christie (R-N.J.) probably isn't having the 2015 he hoped he would. A poll released Monday finds that Christie's job approval rating has fallen to a record low among New Jersey voters.

According to the Quinnipiac poll, only 38 percent of New Jersey voters approve of...

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HUFFPOLLSTER: How Inevitable Is Hillary Clinton?

(104) Comments | Posted April 17, 2015 | 8:09 AM

This week the polling analysts were ready to dissect Hillary Clinton's prospects for the White House. Scott Walker's approval rating fell in Wisconsin. And the debate over telephone versus online samples is far from over. This is HuffPollster for Friday, April 17, 2015.

CLINTON NEARLY INEVITABLE AS NOMINEE...Hillary Clinton announced...

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HUFFPOLLSTER: A Second Look At Clinton's Swing State Numbers

(100) Comments | Posted April 10, 2015 | 8:32 AM

General election horse race questions may rise and fall, but they have little predictive value 18 months before an election. The Conservatives pull slightly ahead of Labour in the UK elections. And Americans are less likely to complain that the government isn't doing enough for the environment under the Obama...

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HUFFPOLLSTER: Hillary Clinton Takes A Slight Dip In Swing States

(376) Comments | Posted April 9, 2015 | 7:40 AM

Hillary Clinton loses a few percentage points in general election matchups in three swing states. Americans want a deal with Iran, but have doubts the deal will be good. And pollsters take candidates at their word, except when they don't. This is HuffPollster for Thursday, April 9, 2015.

CLINTON SUPPORT...

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HUFFPOLLSTER: Can Rand Paul Win The GOP Nomination?

(37) Comments | Posted April 8, 2015 | 8:10 AM

Pollsters consider the prospects for Rand Paul's candidacy. A plurality of Americans say current drug sentencing laws are too harsh. And Americans are more independent than ever, but not really. This is HuffPollster for Wednesday, April 8, 2015.

RAND PAUL ENTERS RACE WITH HIGH FAMILIARITY AND FAVORABILITY - Andrew Dugan:...

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HUFFPOLLSTER: New Jersey Wants Indicted Senator To Remain In Office, For Now

(9) Comments | Posted April 7, 2015 | 7:40 AM

New Jerseyans wants Sen. Menendez to stay in office unless he is proven guilty. Republicans have doubts about Ted Cruz' electability. And they split evenly if forced to choose between Scott Walker and Jeb Bush. This is HuffPollster for Tuesday, April 7, 2015.

NEW JERSEY WANTS MENENDEZ TO STAY UNLESS...

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HUFFPOLLSTER: Strickland Leads Portman For Ohio Senate

(27) Comments | Posted April 6, 2015 | 7:50 AM

Ohio's 2016 Senate race looks competitive. Republicans nationwide prefer a candidate who avoids a no-tax-hike pledge. And wording matters more than usual for the Indiana 'religious freedom' law. This is HuffPollster for Monday, April 6, 2015.

SENATE 2016: STRICKLAND LEADS IN OHIO Quinnipiac University: "In the 2016 U.S. Senate race...

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HUFFPOLLSTER: Polls Find Varying Support For Iran Nuclear Deal

(24) Comments | Posted April 3, 2015 | 8:01 AM

Recent polls show support for an Iran nuclear deal, but with wide variation. Early interest in the presidential campaign is down compared to 2007. And Clinton looks better compared to other candidates than when rated alone. This is HuffPollster for Friday, April 3, 2015.

SUPPORT FOR PROSPECTIVE IRAN DEAL VARIES...

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HUFFPOLLSTER: Smartphone Growth Is Transforming The Way We Use The Internet

(0) Comments | Posted April 2, 2015 | 8:19 AM

Smartphone usage transforms the way Americans access the internet, and offers new paths for polling. A new national poll gives Jeb Bush the edge for the GOP nomination. And jitters remain, despite rising economic confidence. This is HuffPollster for Thursday, April 2, 2015.

SIXTY-FOUR PERCENT OF U.S. NOW OWNS A...

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HUFFPOLLSTER: Obama Approval Rating Holds Steady

(53) Comments | Posted April 1, 2015 | 8:37 AM

A new national poll finds Obama approval at 47 percent, about what other surveys have been measuring for the last few months. Many Republicans are conservative or religious, but only a third are both. And the GOP frontrunner for 2016 is a candidate named 'undecided.' This is HuffPollster for Wednesday,...

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HUFFPOLLSTER: Americans Favor A Nuclear Deal With Iran

(63) Comments | Posted March 31, 2015 | 8:02 AM

Polls find support for a nuclear deal with Iran, but by varying margins. Clinton's support drops in three swing states but she still runs ahead in Ohio and Pennsylvania. And Americans want to make voting easier, but not mandatory. This is HuffPollster for Tuesday, March 31, 2015.

POST/ABC FINDS SUPPORT...

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HUFFPOLLSTER: Ted Cruz Sees Recognition Bump

(28) Comments | Posted March 30, 2015 | 7:53 AM

Ted Cruz gets a bump in recognition after announcing his candidacy. Hillary Clinton's standing among Democrats is higher now than in 2007. And swing state presidential nominees have an advantage, but not a decisive one. This is HuffPollster for Monday, March 30, 2015.

BUSH RETAINS ADVANTAGE IN RECOGNITION; CRUZ GAINS...

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HUFFPOLLSTER: Americans Are More Ready Than Ever To Elect A Female President

(167) Comments | Posted March 27, 2015 | 7:37 AM

Americans of all parties are more ready for a female president than they were four years ago. In New Hampshire, more Republicans are pro-choice than pro-life. And opinion research on Facebook is daunting, despite its broad reach. This is HuffPollster for Friday, March 27, 2015.

TWO THIRDS READY FOR A...

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HUFFPOLLSTER: Obamacare Expands Coverage For Latinos

(8) Comments | Posted March 26, 2015 | 7:55 AM

Obamacare has increased health coverage for Latinos, yet one in four remain uninformed about ACA marketplaces. Ted Cruz falls ideologically in line with Republican voters in key primary states. And a report claims Hillary Clinton will hire 1,000 data geeks. This is HuffPollster for Thursday, March 26, 2015.

NEW SURVEY...

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HUFFPOLLSTER: Americans Grow More Positive About The Environment

(21) Comments | Posted March 25, 2015 | 8:08 AM

With the greater focus on climate change, Americans have grown more positive about the overall quality of the environment and less concerned about threats like air and water pollution. Another theory emerges for Israel's polling miss. And polls in the 2014 midterms were about as accurate as usual. This is...

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How Wrong Were 2014 Polls, Really?

(29) Comments | Posted March 24, 2015 | 4:59 PM

The following is an excerpt from a chapter on the state of the polling industry in The Surge: 2014's Big GOP Win and What It Means for the Next Presidential Election, published by Rowman and Littlefield.

Democrats lost big in the 2014 elections, but in the aftermath, polling...

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HUFFPOLLSTER: Cruz Faces An Uphill Primary Battle

(167) Comments | Posted March 24, 2015 | 8:24 AM

Ted Cruz faces an uphill battle given resistance from party elites and an exceptionally extreme ideology. Americans are opposed to changes to Medicare and Medicaid that Republicans want to make. And a survey -- hopefully conducted in the evening -- confirms most Americans aren't morning people. This is HuffPollster for...

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HUFFPOLLSTER: Ted Cruz Starts Far Behind In Polls

(100) Comments | Posted March 23, 2015 | 8:12 AM

Ted Cruz starts with weaker poll numbers than any presidential nominee since the 90s. And 'fracking' divides Americans. The email controversy made for more coverage of Hillary Clinton, much of it negative, but perceptions of her remain mostly the same. This is HuffPollster for Monday, March 23, 2015.

TED CRUZ...

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