Trump backs Barr, but his real bet is Gallrein In conversation the other day, a political operative wondered why President Trump bothered to endorse Sixth District U.S. Rep. Andy Barr in the May 19 Republican primary for the U.S.

The night before the Kentucky Derby, Republican President Donald Trump placed his bets on two Republicans facing crowded primaries — U.S. Rep. Andy Barr for U.S.

Former President Trump endorsed Rep. Andy Barr in Tuesday's Republican primary for U.S. Senate, featuring the endorsement in campaign advertising.

Rep. Andy Barr, backed by President Trump, is campaigning intensely for Kentucky's Republican Senate nomination ahead of the May 19 primary, saying his campaign is working harder than ever despite expectations the race might be decided.