President Donald Trump went on a winning streak in May primaries as he ousted several Republicans who had dissented from his party line, further tightening his grip on the GOP.

Donald Trump is on a winning streak in Republican primaries, most recently endorsing Ken Paxton ahead of his Tuesday runoff victory over Sen. John Cornyn in Texas.

President Trump’s success in knocking off GOP lawmakers who have defied or criticized him is striking fear among Republicans on Capitol Hill, but some say the retribution tour could backfire on the president by making it tougher to pass his agenda.

President Donald Trump has repeatedly bent congressional Republicans to his will, pushing his proposals through meager resistance with the threat of mobilizing the Republican base against disloyal members of his party.

Donald Trump endorsed U.S. Rep. Andy Barr in the Kentucky GOP primary to replace retiring Sen. Mitch McConnell. Despite the endorsement, candidate Daniel Cameron has stated he will not drop out of the race. Cameron has garnered support from Kentucky's ...