 All right. Thank you very much, Brian. Now, the White House is fighting Parkinson's rumors today, and the president is still standing very defiant. I want to get into both of those things at least. White House, the battle today, questions about why a neurologist has been visiting at the White House. Joining us is Bloomberg White House reporter Josh Wingrove, who's covered the story, and he has the write-up on the Bloomberg terminal. Josh, thanks so much. The report is that this neurologist is a Parkinson's specialist. What do we know?