RUSSELLVILLE, Ky. – Andy Barr’s campaign to replace Mitch McConnell in the U.S. Senate has gotten some boosts in the last few days. President Donald Trump weighed in on the race and endorsed Barr, as did U.S. Rep. Brett Guthrie. One of his many challengers in the Republican primary, Nate Morris, dropped out of the race following Trump’s endorsement. However, on Tuesday morning, Daniel Cameron, the other high profile Republican running for the se…