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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: Rising Approval For Obama's Handling Of ISIS

(0) Comments | Posted October 1, 2014 | 8:32 AM

One new survey suggests rising support for Obama's handling of Islamic State militants. Another finds a slight uptick for Democrats nationwide, but maybe not one that will help in November. And a third finds Charlie Crist up in Florida -- for now. This is HuffPollster for Wednesday, October 1, 2014.

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HUFFPOLLSTER: Massachusetts Race Turns Competitive

(33) Comments | Posted September 30, 2014 | 8:30 AM

Martha Coakley sees her initial lead slip away in a Massachusetts race...again. Surveys disagree on candidates' popularity in North Carolina and elsewhere. And few people feel personally affected by the campaign against ISIS. This is HuffPollster for Tuesday, September 30, 2014.

GOVERNOR'S RACE CLOSES IN MASSACHUSETTS - Massachusetts is blessed...

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HUFFPOLLSTER: Is Joni Ernst Gaining In Iowa?

(82) Comments | Posted September 29, 2014 | 8:37 AM

New state surveys continue to point to a midterm edge for the GOP. The stats on early voting have some good news for the Democrats. And Clippy may soon be asking if you need some help conducting your polls. This is HuffPollster for Monday, September 29, 2014.

DMR IOWA POLL:...

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HUFFPOLLSTER: Republican Gains Ground In Colorado

(11) Comments | Posted September 26, 2014 | 8:59 AM

New Senate polls show movement to the Republican in Colorado. Nate Silver releases his latest Pollster ratings. And the Ace of Spades HQ aims to change election night vote count reporting. This is HuffPollster for Friday, September 26, 2014.

GOP GAINING IN COLORADO - A new poll from the Democratic...

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HUFFPOLLSTER: Mark Warner Leads In Two Virginia Polls

(5) Comments | Posted September 25, 2014 | 7:32 AM

Polls show Democrat Mark Warner leading by a mile in Virginia. Another new survey confirms a close race in Arkansas. And since we are observing Rosh Hashanah, this is an abbreviated HuffPollster for Thursday, September 25, 2014.

Virginia - Two new polls show Democrat Sen. Mark Warner holding...

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HUFFPOLLSTER: Surveys Show A Close Race For Florida Governor

(6) Comments | Posted September 24, 2014 | 8:36 AM

Two new polls confirm a close race for governor in Florida. PPP gives Democrats heartburn in Alaska and Arkansas. And we've upgraded our U.S. House 'generic' vote chart. This is HuffPollster for Wednesday, September 24, 2014.

POLLS SHOW COMPETITIVE RACE BETWEEN SCOTT, CRIST - Quinnipiac University, on a survey released...

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HUFFPOLLSTER: New Polls Bump Up GOP Numbers

(23) Comments | Posted September 23, 2014 | 8:34 AM

New U.S. Senate polls released over the past week bump up the chances of a Republican majority. State surveys look better for the Democrats than the generic House vote. And Kansas and Alaska could use more polling. This is HuffPollster for Tuesday, September 23, 2014.

SLIGHT REPUBLICAN EDGE IN BATTLE...

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HUFFPOLLSTER: Nearly A Quarter Of Americans Support Their States' Secession

(17) Comments | Posted September 22, 2014 | 8:35 AM

With the Scottish referendum over, we look back at how the pollsters did. A new survey that finds a quarter of Americans open to their state seceding. And most in the U.S. back airstrikes even though far fewer expect that they'll work. This is HuffPollster for Monday, September 22, 2014.

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HUFFPOLLSTER: What You Need To Know About That 'Nerd Fight'

(0) Comments | Posted September 19, 2014 | 8:43 AM

We recap the Senate model debate that you have (or haven't) been following all week. Polls in Kansas give the independent an edge without Chad Taylor on the ballot. And Republicans in 2014 may be likeable..enough. This is HuffPollster for Friday, September 19, 2014.

NERD FIGHT: THREE THINGS YOU SHOULD...

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HUFFPOLLSTER: It's Election Day! (In Scotland)

(2) Comments | Posted September 18, 2014 | 8:17 AM

It's Election Day in Scotland. We have the latest on what the Scottish polls are predicting and the challenges they face. Republicans have a good day in Senate polls. And Gallup finds views of both parties now about equally lukewarm. This is HuffPollster for Thursday, September 18, 2014.

SCOTLAND DECIDES...

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HUFFPOLLSTER: A Quarter Of Gubernatorial Races Look Like Tossups

(36) Comments | Posted September 17, 2014 | 8:22 AM

Our newly-released gubernatorial forecasts shows plenty of close races. A new poll shows the Republican leading in Iowa. And is it possible that pollsters have called nearly everyone in New Hampshire? This is HuffPollster for Wednesday, September 17, 2014.

HUFFPOST'S GUBERNATORIAL FORECASTS GO LIVE - On Tuesday, HuffPost launched

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HUFFPOLLSTER: Poll Finds Pat Roberts Trailing Independent Candidate

(335) Comments | Posted September 16, 2014 | 8:27 AM

Polling shows the potential for a major upset in Kansas. Both parties back action against ISIS -- but that's where the consensus ends. And decades of survey data demonstrates Americans' reluctance toward making major constitutional changes. This is HuffPollster for Tuesday, September 16, 2014.

NEW POLL GIVES KANSAS INDEPENDENT 7...

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HUFFPOLLSTER: Another Poll Shows Increasingly Close Race In New Hampshire

(83) Comments | Posted September 15, 2014 | 8:54 AM

A flurry of new Senate polls released over the weekend suggest a closer race in New Hampshire, an emerging consensus that Hagan is leading in North Carolina, and internal polling continues to favor the people releasing it. This is HuffPollster for Monday, September 15, 2014.

CNN POLL SHOWS TIED RACE...

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HUFFPOLLSTER: GOP Leads Nationally, While Democrats Do Well In Senate Polls

(183) Comments | Posted September 12, 2014 | 8:04 AM

A national poll finds the Republicans ahead, while state-level Senate surveys have some good news for Democrats. This year's gubernatorial races look as competitive as everything else, but most GOP incumbent have an edge. And a large number of independents complicates the Alaska Senate race. This is HuffPollster for Friday,...

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HUFFPOLLSTER: Terrorism Fears Rise, But Few Call It Most Important Issue

(0) Comments | Posted September 11, 2014 | 8:39 AM

As polls find Americans find increasing concern in reaction to ISIS, very few mention terrorism as the most important problem facing the country. Democrats get some good Senate news from a new poll in Michigan. And 'other stuff' can make for better election predictions. This is HuffPollster for Thursday, September...

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HUFFPOLLSTER: More Say America Is As Unsafe As It's Been Since 9/11

(1) Comments | Posted September 10, 2014 | 8:30 AM

Americans are more concerned about their safety from terrorism than they have been since 9/11. Another poll finds Republicans more enthusiastic about voting in 2014 than Democrats. And we explain how a new Kansas surveys shifts our Senate ratings. This is HuffPollster for Wednesday, September 10, 2014.

AMERICANS' FOREIGN POLICY...

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HUFFPOLLSTER: Americans Deeply Worried By ISIS

(2) Comments | Posted September 9, 2014 | 8:15 AM

Concerns about terrorism are leading to increased support for airstrikes. A new Kansas poll finds incumbent Pat Roberts vulnerable. And the year's primary cycle is nearly at a close. This is HuffPollster for Tuesday, September 9, 2014.

AMERICANS WORRIED BY ISIS - Mark Preston: "Americans are increasingly concerned that ISIS...

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HUFFPOLLSTER: New Polls Show How Close The Midterms Remain

(25) Comments | Posted September 8, 2014 | 8:19 AM

A new round of Senate polling shows a stable, slightly GOP-friendly midterm environment. We look at where the polls do, and don't agree, and how the new data affects our polling model. This is HuffPollster for Monday, September 8, 2014.

A big batch of new polls released since Friday helped...

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How The 'Orman Factor' Muddles The Senate Forecast, And How We've Dealt With That

(140) Comments | Posted September 5, 2014 | 6:06 PM

WASHINGTON -- The recent upheaval in the Kansas Senate race has thrown a small wrench into political observers' efforts to forecast which party will take majority control of the upper chamber of Congress next year.

If independent candidate Greg Orman ousts Sen. Pat Roberts (R-Kan.) on Nov....

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HUFFPOLLSTER: How Do You Ask About A Senate Race Like Kansas?

(2) Comments | Posted September 5, 2014 | 8:00 AM

The upheaval in the Kansas Senate race creates one set of challenges for pollsters and another for forecasters. Americans are more optimistic about jobs, but not the economy. And Obama's job approval is down...or is it? This is HuffPollster for Friday, September 5, 2014.

KANSAS GETS MORE COMPLICATED - Sam...

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