(The Center Square) – President Joe Biden continues to play defense after a disastrous debate performance last week with many in his own party calling for him to withdraw from the Democratic ticket. At the presidential debate last week, Biden faltered, misspoke, trailed off and at times seemed incoherent, prompting comments from former President Donald Trump, the presumptive GOP nominee, and widespread concern, even from Democrats, after the debate. Biden and his team acknowledged the poor performance but have tried to downplay it and spin it into a comeback where Biden can “get back up” and w…