Chris Cuomo has a gift for reminding Americans why CNN finally ran out of patience with him. His latest vaccine commentary did not just flirt with arrogance, it pulled up a chair, grabbed a microphone, and tried to sell heart inflammation in children as a statistical inconvenience. Cuomo left CNN in 2021 under the kind of cloud that usually prompts a little humility. Naturally, humility was not on the menu, because the former prime time scold ha…