 Good morning. I'm Amy Morris. President Biden's physician, Dr. Kevin O'Connor, released a statement saying the president has not undergone any special neurological tests since his annual physical in February. This is world leaders in NATO are gathering in Washington, D.C., for their summit that begins today and lasts through Thursday. We're joined now by Bloomberg's Kevin Whitelaw with more about all of this. And, Kevin, it's the White House visitor logs that raised some eyebrows, showing several visits from a neurologist from Walter Reed. What's going on there?