 Well, the White House has another battle on its hands today, fighting off questions about why a neurologist has been visiting the White House. Ed Baxter with that story and more from San Francisco. Ed. Yeah, Brian, that's right. The doctor is reported to be a Parkinson's specialist. And the daily briefing became a bit contentious today for Karine Jean-Pierre. Has the president been treated for Parkinson's? No. Is he being treated for Parkinson's? No, he's not. Is he taking medication for Parkinson's? No.