In a remarkable scene, President Biden arrived in Delaware last night, isolated not just by Covid, but also politically, as pressure mounts for him to withdraw from the race for the White House. The president, having canceled a campaign event in Las Vegas, faced reporters who asked him to respond to reports that Senate Majority Leader Chuck Schumer advised him to step down. Biden's response was muffled by the engines of Air Force One, leaving us to ponder: What is really going on behind the scenes?