The head of the Republican National Committee on Monday vowed to fight “as long as it takes” to certify Dave McCormick’s victory over Sen. Bob Casey in Pennsylvania and stop Democrats from counting votes that the courts deemed illegal.

The recount in Pennsylvania's US Senate race between incumbent Democrat Bob Casey and Republican challenger Dave McCormick starts Monday.

Spread the loveThe U.S. Senate race between Democratic incumbent Sen. Bob Casey and Republican David McCormick is headed for a statewide recount. McCormick currently leads by a narrow margin, triggering an automatic recount under state law.

In the first seriously contested Senate Republican leadership election in decades, three senators are vying to replace longtime GOP leader Mitch McConnell when he steps down from the post at the beginning of next year.

U.S. Senate Republicans elected John Thune of South Dakota to be the Majority Leader starting in January, opting for a seasoned and well-respected lawmaker despite pressure by supporters of Donald Trump to pick someone willing to toe the MAGA line.

President-elect Trump is rounding out his administration with Cabinet picks, but there are several GOP senators whose votes could prove decisive in rejecting some nominations.

Donald Trump will return to the White House with a Senate Republican majority that is larger than the start of his first term and friendlier to him overall, a combination that gives him a powerful advantage to filling his Cabinet and other positions.

Multiple Republican senators are looming as potential obstacles to President-elect Trump’s controversial Cabinet picks, especially his two most polarizing choices: former Rep. Matt Gaetz (R-Fla.) and Robert F.