Trump campaign manager: Media silent as polls tighten
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Donald TrumpDonald TrumpPelosi describes first meeting with Trump NYT's David Brooks: Trump has not fulfilled promise of new conservatism Should government 'outsource' censorship to Facebook and Twitter? MORE's campaign manager, Kellyanne Conway, on Tuesday blasted the media for being silent on the latest polls, which show a narrowing gap between Trump and Hillary ClintonHillary Rodham ClintonAre Democrats trying to pin the blame for their own sins on Russia? Trump: Calling Warren Pocahontas ‘an insult to Pocahontas’ GOP vows to use Pelosi against Democrats in 2018 MORE.

"Three weeks ago every headline & pundit screamed 'Look at the polls! Race is over!' #Polls now tightening; media chatter is poll-free," Conway tweeted.

Several recent national polls have shown Trump, the Republican presidential nominee, gaining ground on Clinton, the Democratic nominee. The NBC News/SurveyMonkey Weekly Election Tracking Poll released Tuesday, for example, found Clinton beating Trump by 6 points, 48 percent to 42 percent.

Clinton was leading Trump by 8 points in that poll last week.

Clinton now leads Trump by 5 points nationally, according to the RealClearPolitics average of polls.

Conway said last week that a large portion of Trump's support base is "undercover" and hard to measure through mainstream polling.

“The hidden Trump vote in this country is a very significant proposition,” she said.

"Donald Trump performs consistently better in online polling, where a human being is not talking to another human being about what he or she may do in elections."