After helping oust 'disloyal' Sen. Bill Cassidy, Trump sets his sights on Kentucky Rep. Thomas Massie, who opposed the Iran war and Israel aid, as pro-Israel groups pour millions into the costliest House primary ever

Rep. Thomas Massie is in the political fight of his life as the most outspoken congressional Republican against the president.

Cassidy's loss does not bode well for other incumbents, like Rep. Thomas Massie, who have earned themselves a challenge from Trump-backed candidates.

President Donald Trump criticized Rep. Thomas Massie as "worse" than Sen. Bill Cassidy after Cassidy's primary defeat, viewing them disloyal.