Kentucky primary election was seen as a test of U.S. President Donald Trump's powers to persuade Republican voters to punish his critics.

Trump calls Thomas Massie a "Weak and Pathetic RINO" and backs Ed Gallrein in a heated Kentucky GOP primary clash.

One of President Donald Trump’s most vocal critics within the Republican Party faces a tough primary challenge in Kentucky’s state primary. U.S. Rep.

Thomas Massie is really locking horns with President Donald Trump in Tuesday’s Republican primary.