 A Parkinson's expert has reportedly visited the White House eight times over an eight-month span from last July to March of this year. There was a feisty back and forth between the White House correspondent for CBS News and the press secretary, who for the very first time has actually had to do her job with reporters pushing back. And she told reporters that she would not confirm the name of any medical specialist who has entered the White House, despite the visitor's log being available to the