 This is the Voice of the Pine Belt, News Radio 98.1, WMXI, Ellisville, Laurel, Hattiesburg. It's yet another piece in the Biden competency puzzle. I'm Dave Anthony, Fox News. A Parkinson's disease specialist visited the White House eight times in eight months, something the White House doctor tried to clarify last night. The president's physician, Dr. Kevin O'Connor, identifies the Parkinson's X