President Joe Biden threw aside his inaugural pledge to seek “unity,” declaring Monday evening that the Senate impeachment trial of former President Donald Trump “has to happen.” Biden had previously been ambivalent about a trial, hinting that he opposed it, but saying he would let Congress decide. President Joe Biden on Monday offered his most extensive comments since taking office on former President Donald Trump’s impeachment trial, telling CNN, “I think it has to happen.” Biden made the comment during a brief one-on-one interview with CNN in the halls of the West Wing. He acknowledged the effect it could have...