President Joe Biden hopes to win votes by scoring some laughs about Donald Trump, unleashing mockery with the goal of getting under his thin skin and reminding the country of his blunders.Like a comic honing his routine, the Democratic president has been testing and expanding his jokes over the past few weeks. It started with jabs about his Republican opponent’s financial problems, and now Biden regularly jeers Trump’s coiffed hair, his pampered upbringing and his attempt to make a few extra bucks by selling a special edition of the Bible.(AP)