By David Morgan WASHINGTON (Reuters) -U.S. Senate Republican leader Mitch McConnell spoke out on Monday against two Republican members of Congress who appeared at a white nationalist conference last week, making him the latest prominent Republican to rule out any role for racist politics in the party. “There’s no place in the Republican Party for white supremacists or anti-Semitism,” McConnell said in a statement, after being asked by a reporter about appearances by Representatives Marjorie Taylor Greene and Paul Gosar at a meeting of the America First Political Action Conference. The conference was organized by white nationalist activist Nicholas Fuentes,...