Featuring a dozen candidates, Tuesday night's Democratic presidential debate sponsored by CNN and The New York Times was the largest in modern history. Vermont Sen. Bernie Sanders, one of the leading contenders in polls, was on the campaign trail for the first time since his heart attack at the beginning of the month. Massachusetts Sen. Elizabeth Warren is now a front-runner, with a poll from George Washington University released on Tuesday showing her leading. Former Vice President Joe Biden is under attack by President Donald Trump and his allies over his son’s previous position on the board of a Ukraine gas company. Hunter Biden in an interview with ABC News admitted to poor judgment but said there had been no ethical lapse. NBC 4 New York on Twitter: 4.nbcny.com/kAuuwUN NBC 4 New York on Facebook: 4.nbcny.com/mbeh714 NBC 4 New York on Instagram: 4.nbcny.com/g5YlkcI NBC 4 New York on Youtube: 4.nbcny.com/iTUpy5e #DemocraticDebate #News #Decision2...