But the extent of the party’s power in the U.S. Senate remains unclear owing to the outstanding race in Pennsylvania. Democratic senator Bob Casey has yet to concede to his Republican challenger Dave McCormick,

As Pennsylvania's razor-thin U.S. Senate race heads to a recount, allies of President-elect Donald Trump have claimed Sen. Bob Casey is working to steal an election, drawing false parallels between Trump's efforts to overturn the 2020 election results and Casey's decision not to concede in his reelection bid as votes are tabulated.