Conservative talk show host Glenn Beck slammed Donald Trump's supporters Wednesday on his radio show as "vile" and likened them to Nazis -- while accusing Breitbart Chairman Stephen Bannon of doing Trump's bidding, comparing him to Nazi propagandist Joseph Goebbels. The conservative radio personality and former Fox News host lit into Trump and Bannon following an incident on the sidelines of Tuesday's Nevada caucuses, in which Trump visited a caucus site where Beck was campaigning for Texas Sen. Ted Cruz. On his show, Beck accused Trump of dividing the country and "grooming brownshirts," while describing many of the Trump supporters...