Sen. Thom Tillis (R-N.C.) on Sunday criticized Texas Attorney General Ken Paxton (R), whom President Trump endorsed over incumbent Sen. John Cornyn (R-Texas) in the Senate GOP runoff in the Lone Star State. “He is a failure. He doesn’t deserve to be in the U.S. Senate,” Tillis told host Jake Tapper on CNN’s “State of the Union.” Trump on Tuesday endorsed Paxton, a firebrand conservative who filed litigation in support of the president’s push to overturn the 2020 election. In endorsing the Texas attorney general over a four-term senator, Trump said Paxton “is a true MAGA warrior” and Cornyn, while...