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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: Most New Yorkers Disagree With Eric Garner Decision

(0) Comments | Posted December 19, 2014 | 6:53 AM

A majority of New York State thinks the police officer should have been charged in the Eric Garner case. Most Americans support ACA’s employer mandate. And Americans are still mostly gloomy about the economy, but pessimism about government dysfunction has narrowed slightly. This is HuffPollster for Friday, December 19, 2014.

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HUFFPOLLSTER: Americans Open To Warmer Relations With Cuba

(3) Comments | Posted December 18, 2014 | 8:32 AM

Before President Obama's announcement on Cuba, Americans were largely open to re-establishing relations with Cuba, but opinions among Cuban-Americans may be more complicated. And the American Dream isn't what it used to be. This is HuffPollster for Thursday, December 18, 2014.

RECENT SUPPORT FOR RE-ESTABLISHING CUBA RELATIONS - HuffPollster: "Most...

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HUFFPOLLSTER: Looking At 2016 Polls? Here Are A Few Things To Keep In Mind

(11) Comments | Posted December 17, 2014 | 8:06 AM

A flurry of presidential polling still finds support for Hillary Clinton among Democrats and no clear GOP frontrunner. The Republican Party's image is considerably improved post-election. And Americans are starting to hear better news about jobs. This is HuffPollster for Wednesday, December 17, 2014.

2016 PRIMARY POLLS - National pollsters...

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HUFFPOLLSTER: Polls Differ On Whether Torture Can Be Justified

(10) Comments | Posted December 16, 2014 | 9:05 AM

How you ask about the CIA's torture program matters. An analysis of 2014 polling finds no evidence likely voter screens created false trends. And Republicans and Democrats agree on one thing: They all hate Congress. This is HuffPollster for Tuesday, December 16, 2014.

'ABOUT HALF' SAY CIA INTERROGATION JUSTIFIED IN...

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HUFFPOLLSTER: Americans Judge Many Torture Tactics Unacceptable

(0) Comments | Posted December 15, 2014 | 8:31 AM

Americans feel differently about torture when they're asked about the specifics. Few think society has made progress on gun violence since 2012. And the polls mostly predicted the winners in 2014. This is HuffPollster for Monday, December 15, 2014.

AMERICANS DIVIDED ON USE OF TORTURE, BUT LESS SUPPORTIVE OF HARSHEST...

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HUFFPOLLSTER: Who Are The Non-Employed Americans?

(16) Comments | Posted December 12, 2014 | 9:14 AM

A new national survey examines the increase on non-employment among working age men. Pessimism about Washington gridlock is as high as ever. And support for some environmental initiatives crosses party lines. This is HuffPollster for Friday, December 12, 2014.

TAKING A CLOSER LOOK AT NON-EMPLOYED AMERICANS - Binyamin Appelbaum: "Working,...

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HUFFPOLLSTER: Support For Gun Rights Reaches A New High

(70) Comments | Posted December 11, 2014 | 8:30 AM

American opinion on guns has shifted significantly since Newtown. Republicans and Democrats agree that police should be treated equally in the justice system, but differ on whether they are. And pretty much everyone expects more Washington gridlock. This is HuffPollster for Thursday, December 11, 2014.

SUPPORT FOR GUN RIGHTS AT...

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HUFFPOLLSTER: Most Americans Think Torture Is Sometimes Justified

(19) Comments | Posted December 10, 2014 | 8:43 AM

Views of torture as justifiable have increased during the Obama years. Almost two thirds of Hispanics back the president's immigration actions. And the 'Cromnibus' puts the Census ramp-up on the chopping block. This is HuffPollster for Wednesday, December 10, 2014.

MORE FIND TORTURE ACCEPTABLE IN OBAMA ERA - Bruce Drake:...

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HUFFPOLLSTER: Reactions To Eric Garner, Michael Brown Case Differ

(6) Comments | Posted December 9, 2014 | 8:52 AM

The lack of indictments in the death of Eric Garner unites Americans more than the case in Ferguson. Hillary Clinton and the Republican Party both get some good news about their popularity. And President Obama's immigration-related bounce among Latinos fades slightly. This is HuffPollster for Tuesday, December 9, 2014.

REACTIONS...

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HUFFPOLLSTER: Most Americans Say Race Relations Have Worsened

(3) Comments | Posted December 8, 2014 | 8:24 AM

New surveys explore racial disparity in attitudes toward the police, and a majority sees race relations worsening. Cassidy wins in Louisiana, but by less than polls projected. And if a Benghazi report falls on the Friday before Thanksgiving, does it make a sound? This is HuffPollster for Monday, December 8,...

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HUFFPOLLSTER: Landrieu's Likely Loss Marks End Of An Era For Southern Dems

(56) Comments | Posted December 5, 2014 | 8:19 AM

Bill Cassidy appears headed for a victory on the Louisiana runoff. A defeat for Sen. Mary Landrieu would make her the last statewide Southern Democrat to fall. And nearly everyone supports body cameras for the police. This is HuffPollster for Friday, December 5, 2014.

CASSIDY FAR AHEAD IN LOUISIANA -...

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HUFFPOLLSTER: Experimental 2014 Polls Show Promise

(0) Comments | Posted December 4, 2014 | 9:07 AM

SurveyMonkey shares previously unreleased 2014 polls that outperformed Pollster's averages. Another poll shows bipartisan support for President Obama's immigration policy, if not his executive action. And the latest investigation changed few minds on Benghazi. This is HuffPollster for Thursday, December 4, 2014.

SURVEYMONKEY'S 2014 ELECTION POLLS - A set of...

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HUFFPOLLSTER: Louisiana Runoff Polling Looks 'Ugly' For Landrieu

(26) Comments | Posted December 3, 2014 | 8:27 AM

Polling and early voting patterns are bleak for Mary Landrieu in Louisiana. Gallup finds a post election bump in Republican party identification. And a new 2008 2016 poll finds Mitt Romney leading the GOP field. This is HuffPollster for Wednesday, December 3, 2014.

EARLY RUNOFF TURNOUT IN LOUISIANA FAVORS CASSIDY...

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HUFFPOLLSTER: Americans Divided On Ferguson Shooting

(245) Comments | Posted December 2, 2014 | 8:14 AM

Another national poll illustrates the racial divide on the Michael Brown killing. President Obama's executive action on immigration appears to boost his standing among Latinos. And two psychologists explain how we reconstruct memories on the fly. This is HuffPollster for Tuesday, December 2, 2014.

ABC/POST: 'PROFOUND' RACIAL DIVIDE ON FERGUSON...

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HUFFPOLLSTER: Majority Now Says Things In U.S. 'Going Well'

(45) Comments | Posted December 1, 2014 | 8:03 AM

The percentage of Americans who say things are 'going well' continues to rise. Obama's executive action boosts his rating on immigration among non-whites and younger Americans. And Nate Cohn decodes the internal GOP polling numbers shared via Twitter. This is HuffPollster for Monday, December 1, 2014.

MAJORITY OF U.S. NOW...

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HUFFPOLLSTER: Thanksgiving Edition 2014

(1) Comments | Posted November 25, 2014 | 5:46 PM

President Obama's job approval rating has declined most rapidly among working class whites. Another poll confirms continuing racial division over the Ferguson shooting. And we take a tour of past poll questions asked about Thanksgiving. This is HuffPollster for Wednesday, November 26, 2014.

OBAMA'S APPROVAL DROPS AMONG WORKING CLASS WHITES...

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HUFFPOLLSTER: Poll Finds Racial Division On Charging Wilson

(9) Comments | Posted November 25, 2014 | 8:09 AM

A poll conducted before Monday's grand jury announcement finds racial division over whether Darren Wilson should be charged with a crime but agreement that non-violent protest is justified. Americans are split on President Obama's executive action on immigration. And two organizations steeped in traditional methods are testing non-probability surveys. This...

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HUFFPOLLSTER: The GOP Honeymoon Is Short For Boehner And McConnell

(21) Comments | Posted November 24, 2014 | 6:51 AM

Republicans grumbling about their Congressional leaders is on the rise again. Hillary Clinton enjoys a huge early lead in often fickle New Hampshire. And Millennials are less likely than their elders to believe everyone should vote. This is HuffPollster for Monday, November 24, 2014.

IS GOP HONEYMOON ALREADY OVER FOR...

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HUFFPOLLSTER: How Much Support Does Obama Have On Immigration?

(27) Comments | Posted November 21, 2014 | 8:39 AM

Americans support the immigration policies President Obama is putting into place, but nearly half oppose the way he's doing it. Climate change is considered a bigger threat abroad than at home. And Democrats also shared internal data via Twitter. This is HuffPollster for Friday, November 21, 2014.

EXECUTIVE ACTION ON...

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HUFFPOLLSTER: Few Expect Election To Bring Change

(5) Comments | Posted November 20, 2014 | 8:33 AM

A new national poll finds little confidence that the election results will change things in Washington. Partisanship now drives ratings of U.S. healthcare quality. And, yes, data demonstrates that Twitter is an echo chamber. This is HuffPollster for Thursday, November 20, 2014.

NBC/WSJ: 'LIKE IT NEVER HAPPENED' - Mark Murray:...

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