Paul Manafort and Rick Gates entered not guilty pleas Monday afternoon in a federal courtroom, telling a magistrate judge that they'll fight a laundry list of felony charges brought by a grand jury on Friday. Manafort, a former Donald Trump campaign chairman, is a veteran lobbyist now charged with conspiring against the United States and money-laundering on a gigantic scale, following an investigation by special counsel Robert Mueller. Along with Gates, his longtime business partner and protege, Manafort surrendered to federal authorities early on Monday as the first charges from the probe of possible Russian meddling in the 2016 U.S....