Donald Trump Cornyn has been described as an "immutable Trump ally". He frequently praised Trump during most of his presidential term. But in the weeks before his reelection campaign, amid a tightening race with Democratic nominee MJ Hegar, Cornyn began to distance himself from Trump. He said that he praised Trump in public but expressed disagreement with him in private. During Trump's presidency, Cornyn and fellow Texas Senator Ted Cruz contributed to the appointment of multiple conservative judges to federal courts with jurisdiction over Texas. Cornyn repeatedly defended Trump's decision to siphon resources from the Pentagon in order to build a wall on the Mexico border. In March and September 2019, he voted to ratify the maneuver, opposing congressional attempts to block Trump's action. But in late October 2020, as Cornyn was trying to distance himself from Trump, he claimed that he had never supported Trump's maneuver and that he opposed it. Cornyn warned Trump about anticipated negative effects of restructuring tariffs on Mexican exports, saying, "We're holding a gun to our own heads by doing this." In January 2018, he was one of 36 Republican senators to sign a letter to Trump requesting that he preserve the North American Free Trade Agreement by modernizing it for the 21st-century economy. Cornyn urged Trump to restart trade talks on the Trans Pacific Partnership, which Trump called "a disaster". In June 2020, amid reports that Russia had paid the Taliban bounties to kill American soldiers and that Trump had been briefed on the subject months earlier, Cornyn defended an assertion by Trump that he had never been briefed on the subject. Cornyn said, "I think the president can't single-handedly remember everything, I'm sure, that he's briefed on." In response to reports that Trump would not be attending Joe Biden's inauguration, Cornyn told Cruz and other lawmakers "see you there", implying that he planned to attend, which he did. On May 28, 2021, Cornyn voted against creating an independent commission to investigate the January 6 United States Capitol attack. Foreign policy and national security In December 2010, Cornyn was one of 26 senators to vote against the ratification of New Start, a nuclear arms reduction treaty between the United States and Russia that obliges both countries to have no more than 1,550 strategic warheads and 700 launchers deployed during the next seven years, and provides a continuation of on-site inspections that halted when