After a disastrous debate appearance and a discouraging follow-up interview, it seems anything negative about President Joe Biden’s health and cognitive capabilities can be reasonably believed. Perhaps this is why reports of a medical emergency on Air Force One went viral so quickly. The first report was posted Friday evening to the social media platform X. “I just received a tip from an anonymous source,” Tim Sharp wrote in his the post. “My source says that Joe Biden is currently experiencing a medical emergency on Air Force One as I type this.” I just received a tip from an anonymous source…