Longtime political strategist Karl Rove is warning Republicans not to nominate a presidential candidate that reflects the same "populist anger" that gave birth to the rise of Donald Trump. In his latest op-ed for the Wall Street Journal, Rove explained the GOP will have two choices when delegates gather in Cleveland, Ohio, next July to determine which remaining Republican hopeful they wish to see challenge Democrats in the general election. "Will the party choose a nominee with a conservative agenda or one reflecting populist anger?" Rove wrote. "The two are hardly the same," he noted. "Conservative principles provide a winning...