Following his slow-motion implosion Thursday night at the presidential debate, calls grew from Democratic Party stalwarts, including mainstream liberal media outlets like MSNBC and CNN, for the president to step down, and for another Democrat nominee to be chosen. If Biden agrees, that might be a simpler maneuver, but if he clings to power and refuses to step aside, things will be a whole lot messier — and it looks like things are about to get messy. News reports Friday morning suggest that President Biden has no intention of stepping down and plans to participate in the next debate on...