Trump elevates simmering Mueller, McCabe grievances to boil

WASHINGTON -- U.S. President Donald Trump on Sunday questioned the impartiality of special counsel Robert Mueller's investigation and raised doubts about whether a fired top FBI official kept personal memos outlining his interactions with Trump. Trump, in a series of tweets, elevated his simmering grievances to a boil against Mueller, whose team is examining Trump campaign ties to Russia and possible obstruction of justice; onetime FBI deputy director Andrew McCabe, who was dismissed Friday by t