Sen. Lindsey Graham, R-S.C., urged Joe Biden to push back against his fellow Democrats' impeachment effort of President Donald Trump, saying in a series of Twitter posts, if he truly wants "unity," he should instruct them to drop the matter...Biden has repeatedly called for unity and announced the theme of his inauguration will be "America United," a ploy some, such as television host Megyn Kelly, have called cynical and hypocritical.