During an interview over the weekend, CNN anchor Jake Tapper said that President Biden was bringing down other Democrat candidates, according to new polling data.   Tapper made his comments while interviewing Sen. Chris Murphy (D-CT) on Sunday on CNN’s “State of the Union” show.  “Let’s talk about the campaign, because Trump was in battleground Michigan last night making a pitch to African-American voters,” Tapper said. “Polls show Biden trailing Trump in key battleground states and polling well behind your Senate colleagues who are running for reelection.”  “Look at this New York Times poll from last month,” he continued. “Wisconsin