 that he could potentially relapse. You know, this is the same Joe Biden that dealt with a wife being killed, a wife and a daughter being killed in a car accident when he was a young senator, and then his other son dying tragically of brain cancer at a very young age. So he's dealt with tragedy before. You know, his advisors say that he's able to compartmentalize this, that the stuff his son is dealing with is separate from his work as the president.