 It's four o'clock and the news starts now. It's that a Parkinson's specialist has made several visits to the White House. 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. Jean-Pierre says the president has had three neurological exams, one each year with his annual physical, and that his doctor has said an additional