Second night of CNN Democratic debate draws 10.7M viewers

Second night of CNN Democratic debate draws 10.7M viewers
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CNN's broadcast of the second night of Democratic presidential debates this week attracted 10.7 million viewers, according to final ratings compiled by Nielsen Media Research.

Another 3.1 million people watched the event broadcast from the Fox Theatre in downtown Detroit on Wednesday night via the CNN Digital livestream, according to the network.

The second of two debates was watched by 7.4 million fewer people than the second of two Democratic debates broadcast last month by NBC, MSNBC and Telemundo. That event in Miami attracted 18.1 million viewers.

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The first night of debates Tuesday drew 8.7 million viewers to CNN's broadcast, with another 2.8 million watching on the channel's digital stream, according to Nielsen Media Research figures.

Wednesday night's event from the Fox Theatre in the Motor City featured Democratic front-runner Vice President Joe BidenJoe BidenTrump knocks Romney as 'Democrat secret asset' in new video Giuliani asked State Dept. to grant visa for ex-Ukraine official at center of Biden allegations: report Perry won't comply with subpoena in impeachment inquiry MORE in an anticipated rematch with Sen. Kamala HarrisKamala Devi HarrisHarris campaign releases web video highlighting opposition to death penalty Sanders seeks spark from Ocasio-Cortez at Queens rally Biden seeks to fundraise off fact he's running out of money MORE (D-Calif.), though both candidates were left on the defensive for most of the debate.

Biden was hammered repeatedly from many of the other nine candidates on stage, particularly Sen. Cory BookerCory Anthony BookerGabbard hits back at 'queen of warmongers' Clinton The Hill's Campaign Report: Biden camp faces new challenges Former public school teacher: Strikes 'wake-up call' for Democratic Party MORE (D-N.J.) and Harris, while several candidates went after Harris on criminal justice issues based on her time serving as California's attorney general.

Biden has maintained a commanding lead in the RealClearPolitics index of polls with 32.2 percent support, though new surveys conducted after the back-to-back debate nights in Detroit have yet to be released.

During the last election cycle, CNN delivered 15.5 million viewers for its broadcast of the first Democratic debate of the primary season featuring Hillary ClintonHillary Diane Rodham ClintonState cites 38 people for violations in Clinton email review Trump campaign to hold rallies in Mississippi, Kentucky Biden struggles to reverse fall MORE, Sen. Bernie SandersBernie SandersSanders seeks spark from Ocasio-Cortez at Queens rally On The Money: Supreme Court takes up challenge to CFPB | Warren's surge brings scrutiny to wealth tax | Senators eye curbs on Trump emergency powers Biden seeks to fundraise off fact he's running out of money MORE (I-Vt.) and former Maryland Gov. Martin O'Malley (D) in October 2015.

The most-watched primary debate in history occurred in August 2015, when more than 24 million people tuned in to Fox News for what was Donald TrumpDonald John TrumpFlorida GOP lawmaker says he's 'thinking' about impeachment Democrats introduce 'THUG Act' to block funding for G-7 at Trump resort Kurdish group PKK pens open letter rebuking Trump's comparison to ISIS MORE's first debate as a candidate in Cleveland.