President Joe Biden and his White House staff spent Wednesday delivering pep talks in calls and meetings with close allies, Democratic governors, congressmembers and campaign staff. "Let me say this as clearly as I possibly can, as simply and straightforward as I can: I am running," Biden said on a call with campaign staff, an official told NBC News. "I'm not leaving. I'm in this race to the end and we're going to win." The comments are part of Biden's larger firefighting mission as his team works to quell Democratic panic about his reelection bid in the wake of his disastrous debate performance against former President Donald Trump last week. Biden was joined at the Wednesday campaign meeting by Vice President Kamala Harris, who is increasingly drawing eyes as a poten