The Trumpers think they’re a joke and that Biden has been a joke for adhering to them: Donald Trump and his incoming administration officials think Joe Biden and Kamala Harris are suckers. They’re not shy about saying it. Within the past month, Biden, Harris, and the current administration have repeatedly vowed an orderly, peaceful, fully cooperative transfer of power between Biden and Trump — a twice-impeached former president and convicted felon whom the president, vice president, and Democratic leaders regularly denounced as a “fascist” tyrant and clear threat to the constitutional order. It hasn’t just been the legal transfer and procedures to which Democrats have committed themselves. Biden has promised to attend Trump’s 2025 inauguration, even though Trump refused to grant him the same grace after the 2020 election. Of course, then-President Trump actively sought to overturn Biden’s 2020 election victory and even helped foment a violent coup at the U.S. Capitol as part of his monthslong effort to cling to power. Not long after the election this early November, Biden hosted Trump at the White House for a pleasant photo opportunity. The president and vice president congratulated Trump, and Biden told him “welcome back” to his face, as the two men sat down for the news cameras, as if they were old pals who had just resolved a mildly heated argument. These actions are all far, far above and beyond what Trump and his first administration were willing to do during the last U.S. presidential transition for Biden — including in its commitment to basic decorum and photo ops that…