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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: Nationwide Web Poll Gives GOP Senate Edge

(0) Comments | Posted July 28, 2014 | 6:13 PM

CBS and The New York Times unveil a massive new online panel tracking survey conducted by YouGov, showing the GOP with a slight edge in the Senate. The Upshot's David Leonhardt explains the shift in the Times' polling standards, and how they will continue to evolve. This is HuffPollster for...

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HUFFPOLLSTER: Americans Are Pessimistic About Peace In The Middle East

(3) Comments | Posted July 25, 2014 | 5:46 PM

American's views of the ongoing Israeli-Palestinian conflict are about the same as they were during a previous conflict 12 years ago. A majority of Americans say no to impeachment, no matter how hard pollsters ask. And once upon a time, Gallup's live interviewers tracked the hairstyles of their respondents. This...

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HUFFPOLLSTER: Democrats Lag In Election Enthusiasm

(0) Comments | Posted July 24, 2014 | 5:46 PM

A new national poll gives Republicans an advantage on enthusiasm, but not as big as in 2010. The current border crisis has Americans placing greater importance on border security. And millennials are killing the golf industry. This is HuffPollster for Thursday, July 24, 2014.

DEMOCRATS LAG ON MIDTERM ENTHUSIASM, BUT...

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HUFFPOLLSTER: Why Did Polling Miss The Georgia Runoff?

(1) Comments | Posted July 23, 2014 | 5:55 PM

Another Republican runoff brings another miss for the polls. The Wisconsin gubernatorial race remains deadlocked, while Florida looks increasingly close. And polling confirms that Americans still like beer. This is HuffPollster for Wednesday, July 23, 2014.

POLLS MISS IN GEORGIA - Polling suffered another black eye in Tuesday's Republican runoff...

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HUFFPOLLSTER: New Polls Show Colorado Senate Race Tied, Hagan Up In North Carolina

(12) Comments | Posted July 22, 2014 | 5:53 PM

PPP releases new polls in North Carolina and Colorado. Georgia polls have shown a consistent leader in today's Republican Senate runoff election. And the Pew Research Center is looking for another new president. This is HuffPollster for Tuesday, July 22, 2014.

PPP (D) FINDS HAGAN LEAD IN NC - The...

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HUFFPOLLSTER: Americans' Negative Opinions Of Russia Worsened Dramatically This Year

(1) Comments | Posted July 21, 2014 | 5:46 PM

Negative views of Russia are on the rise among Americans. A new poll finds polarized views of Hillary Clinton's tenure as Secretary of State. And Americans have some fascinating ideas on how to fix Congress. This is HuffPollster for Monday, July 21, 2014.

AMERICA'S VIEWS OF RUSSIA FELL SIGNIFICANTLY IN...

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HUFFPOLLSTER: America's Wariness Toward Iraq Involvement Continues

(0) Comments | Posted July 18, 2014 | 4:48 PM

Another poll finds Americans wary of responsibility for the turmoil in Iraq. African-American turnout in the South could be critical to control of the Senate. And the pollster dialogue over polls without cell phone samples continues. This is HuffPollster for Friday, July 18, 2014.

MOST AMERICANS DON'T FEEL OBLIGATED TO...

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HUFFPOLLSTER: Two Surveys Differ On Colorado Senate Race

(0) Comments | Posted July 17, 2014 | 5:34 PM

Two new polls show a close Colorado Senate race, but with differing margins. Washington Post modelers explain why their Senate forecast is so confident of a GOP victory. And is Romneymentum making a comeback? This is HuffPollster for Thursday, July 17, 2014.

QUINNIPIAC FINDS 'TIED' RACE IN COLORADO - "The...

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HUFFPOLLSTER: Do Robopolls Get It Wrong?

(0) Comments | Posted July 16, 2014 | 5:47 PM

A campaign pollster says it's time for the media to ignore surveys that don't call cell phones. Three new polls tackle immigration. And while Scott Brown trails in New Hampshire, the Iowa Senate race looks close. This is HuffPollster for Wednesday, July 16, 2014.

SHOULD THE MEDIA IGNORE POLLS WITHOUT...

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HUFFPOLLSTER: Washington Gets Poor Marks On Immigration Crisis

(1) Comments | Posted July 15, 2014 | 5:32 PM

Americans are unhappy with the way everyone in Washington is handling immigration. Two prominent Senate forecast models both incorporate polling yet disagree on Republican prospects. And for our friends in Cleveland, we've got a fresh LeBron James poll. This is HuffPollster for Tuesday, July 15, 2014.

DISAPPROVAL OF BOTH SIDES...

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HUFFPOLLSTER: On Impeachment And Cupcakes

(0) Comments | Posted July 14, 2014 | 5:37 PM

Gallup finds changing partisan views of the Supreme Court but an unchanged overall rating. About two-third of Republicans say they want to impeach President Obama. And nearly as many in the GOP say they won't pay more than 2 dollars for a cupcake. This is HuffPollster for Monday, July 14,...

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HUFFPOLLSTER: How Obama's Approval Rating Breaks Down By Religion

(29) Comments | Posted July 11, 2014 | 5:15 PM

Muslims approve of President Obama more than any other American religious group. Gallup finds no evidence of reduced Democratic strength among college age Americans. And we're guessing LeBron's Ohio polling numbers are headed up. This is HuffPollster for Friday, July 11, 2014.

BREAKING DOWN OBAMA'S APPROVAL RATING BY RELIGION -...

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HUFFPOLLSTER: Views Of Supreme Court Shift After Hobby Lobby Ruling

(0) Comments | Posted July 10, 2014 | 5:31 PM

Partisans had a predictable reaction to Supreme Court in the wake of the Hobby Lobby decision. Forecasters debate the merits of the polls, partisan and otherwise. And 40 percent of Americans think the government is spying on them. This is HuffPollster for Thursday, July 10, 2014.

SUPREME COURT FAVORABILITY ROSE...

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HUFFPOLLSTER: Worldwide Opinion Sours On Russia

(1) Comments | Posted July 9, 2014 | 5:38 PM

Negative ratings of Russia are on the rise worldwide. Americans want to hear less from Sarah Palin. And the Washington Post puts its charts before the horse. This is HuffPollster for Wednesday, July 9, 2014.

OPINIONS OF PUTIN, RUSSIA SINK - Pew Research: "As the European Union considers further sanctions...

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HUFFPOLLSTER: Fewer Than Ever Americans Still Use Landline Phones

(0) Comments | Posted July 8, 2014 | 5:18 PM

The growth of "cell phone only" Americans is cooling off only among young adults. Few are optimistic about prospects for peace in the Middle East. And an epic interactive graphic shows how young adults acquire partisan attachments that last a lifetime. This is HuffPollster for Tuesday, July 8, 2014.

PERCENTAGE...

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HUFFPOLLSTER: Michelle Obama's Ratings Are Breaking The Pattern For First Ladies

(0) Comments | Posted July 7, 2014 | 5:40 PM

Andy Kohut explains why Michelle Obama's popularity continues to soar above her husband's. Most Americans continue to align with one of the two parties. And forget castrating hogs -- here's an Iowa candidate who weighted data. This is HuffPollster for Monday, July 7, 2014.

MICHELLE OBAMA STAYED POPULAR EVEN AS...

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HUFFPOLLSTER: What Happens When You Ask Americans To Name The Worst President

(19) Comments | Posted July 2, 2014 | 5:22 PM

United GOP loathing for Obama translates into lots of click-throughs. Facebook apologizes for communicating 'poorly.' Harry Reid doesn't like polling, except when he's citing it. And our beloved corporate overlords have given us the rest of the week off. Happy Fourth! This is HuffPollster for Wednesday, July 2, 2014.

33...

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HUFFPOLLSTER: Big Data Knows Who's Watching The World Cup

(0) Comments | Posted July 1, 2014 | 3:02 PM

Americans like corporate wellness programs...if they're voluntary. Views of the ACA remain stable, but fewer American attribute their opinions to news media stories. And we have some relevant data for your World Cup watch party productive afternoon workday. This is HuffPollster for Tuesday, July 1, 2014.

WHAT THE WORLD CUP...

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HUFFPOLLSTER: Reviewing The Polling On Hobby Lobby

(8) Comments | Posted June 30, 2014 | 5:37 PM

In the wake of the U.S. Supreme Court's Hobby Lobby decision, we look back at previous polling -- and why it's not always consistent. Hillary Clinton gains with liberals even as her ratings come down to earth with other voters. And among Americans, neither the midterms nor the World Cup...

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HUFFPOLLSTER: Obama's Approval Rating Takes A Dip

(75) Comments | Posted June 27, 2014 | 5:05 PM

Polls from six different pollsters confirm that President Obama's job approval rating dropped slightly in late June. Economic pessimism among groups in the Democratic coalition may pose a greater challenge to Democratic candidates than the enthusiasm gap. And Rob Ford's numbers are higher than....the approval rating of the U.S. Congress....

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