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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: Here's The Real Impact Trump Could Have On 2016

(142) Comments | Posted July 2, 2015 | 9:08 AM

Donald Trump's rise in the polls may be less important than the media "oxygen" he is consuming. A majority of Americans approve of the SCOTUS ruling on the ACA. And Americans are very patriotic -- Happy Fourth! This is HuffPollster for Thursday, July 2, 2015.

Businessman Donald Trump's support is...

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HUFFPOLLSTER: What The Latest Polls Don't Mean For 2016

(4) Comments | Posted June 26, 2015 | 9:11 AM

Shifts in the 2016 polls may be less meaningful than they seem. Donald Trump's "surge" may be less than meets the eye. And the latest CDC estimates show landlines are continuing to disappear from American households. This is HuffPollster for Friday, June 26, 2015.

A flurry of new national polls...

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The Surprising Reason So Many People Still Don't Like Obamacare

(1440) Comments | Posted June 21, 2015 | 8:03 PM

The Supreme Court could issue a ruling in King v. Burwell, the lawsuit threatening to undermine a key part of the Affordable Care Act, as early as Thursday. But the debate over President Barack Obama's controversial health care law is likely to continue no matter how the justices...

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HUFFPOLLSTER: New FCC Rules Could Make Polling More Expensive, Less Accurate

(4) Comments | Posted June 19, 2015 | 9:08 AM

The FCC gives pollsters heartburn with new rules that toughen restrictions on the use of "autodialers" to call cell phones. Yet, surveys that don't use cell phones are less accurate, a study finds. And pollsters offer advice for reporting polls. This is HuffPollster for Friday, June 19, 2015.

FCC ACTS...

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HUFFPOLLSTER: Opinions On Trade Don't Divide Along The Usual Party Lines

(12) Comments | Posted June 12, 2015 | 8:07 AM

Americans' sometimes conflicting views on foreign trade show remarkably little partisan polarization. Millennials say they have it hard but are optimistic for the future. And we remember legendary California pollster Mervin Field. This is HuffPollster for Friday, June 12, 2015.

VIEWS ON TRADE CONFLICT, LACK PARTISAN DIVIDE - With Congress...

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HUFFPOLLSTER: New FCC Proposal Could Disrupt Polling Industry

(5) Comments | Posted June 5, 2015 | 10:10 AM

A set of potential new FCC rules for incoming calls rattles the polling industry. Voters want substance. And Americans explain what they mean by "middle class." This is HuffPollster for Friday, June 5, 2015.

NEW FCC RULES COULD COMPLICATE POLLING - A government proposal to revise the rules affecting incoming...

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HUFFPOLLSTER: Retraction Of Major Gay Marriage Study Underlines The Need For Greater Transparency

(6) Comments | Posted May 29, 2015 | 11:39 AM

The retraction of a major gay marriage study highlights polling's "secrecy problem," as well as the relevance of a newly launched transparency initiative. This is HuffPollster for Friday, May 29, 2015.

JOURNAL RETRACTS DISCREDITED GAY MARRIAGE STUDY - Natalie Jackson and Lila Shapiro: "Science magazine officially retracted a major study...

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HUFFPOLLSTER: Even Republicans Aren't Happy With The New GOP-Led Congress

(127) Comments | Posted May 22, 2015 | 8:28 AM

Democrats and Republicans alike are unhappy with the GOP-led Congress. Fox looks to the polls to narrow down contenders in the GOP debate, which could present some problems. And a new case of survey fraud underscores the need for greater transparency. This is HuffPollster for Friday, May 22, 2015.

...
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HUFFPOLLSTER: Why The Polls Missed The Mark On The UK Elections

(3) Comments | Posted May 13, 2015 | 9:40 AM

The UK elections give polling a black eye. Is it time to start ignoring polls? And the Huffington Post joins AAPOR's Transparency Initiative. This is HuffPollster for Wednesday, May 13, 2015.

HUFFPOST JOINS AAPOR'S TRANSPARENCY INITIATIVE - On Wednesday, the American Association for Public Opinion Research (AAPOR) welcomed...

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HUFFPOLLSTER: Here's What the Polls Say About Today's UK Election

(0) Comments | Posted May 7, 2015 | 8:49 AM

Polls in the UK forecast a close outcome with both major parties short of a majority. Hillary Clinton 'takes a hit,' or maybe she doesn't. And Jeb Bush runs stronger nationwide than he does in Iowa. This is HuffPollster for Thursday, May 7, 2015.

British voters cast their ballots on...

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HUFFPOLLSTER: Polls Still Show Rising Support For Same Sex Marriage

(13) Comments | Posted May 1, 2015 | 8:36 AM

Pollsters measure and contemplate the rapid rise in support for same sex marriage. Democrats continue to dominate among Millennials. And there's a "reality gap" in perceptions of the ACA. This is HuffPollster for Friday, May 1, 2015.

SUPPORT FOR SAME-SEX MARRIAGE REMAINS HIGH - Quinnipiac University Poll: "American voters support...

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There's A Huge Reality Gap On Obamacare, And This New Poll Proves It

(1408) Comments | Posted April 27, 2015 | 1:35 PM

In a new survey, more than half of self-identified Republicans said they didn’t think the Affordable Care Act is increasing the number of people with health insurance, with a fifth of respondents saying it has actually reduced the number of people with coverage.

For the record, the evidence suggests these...

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

(139) 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?

(42) 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

(349) 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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