He’s calling into his favorite morning cable news show, bashing the “elites” of his party and dismissing unfavorable polls. He’s even talking up his crowd sizes. As an increasingly defiant President Joe Biden rejects calls to step aside after a disastrous debate performance that has put his competence into question, he’s been embracing some of the tactics used by a man he calls a mortal threat to democracy: his rival, former President Donald Trump. The presumptive GOP nominee has weathered a seemingly never-ending list of controversies and has developed a well-worn playbook for confronting allegations.