 I'm meteorologist Rob Carolin on News Talk 94.1. CBS News Brief. Calming fears over the president and Parkinson's after visits from a specialist to the White House. CBS's Nancy Cordes. Late last night, the president's personal doctor revealed President Biden has not seen a neurologist outside of his annual physical. Mr. Biden welcomes world leaders to the NATO summit in Washington a day after insisting he will not drop out of the presidential race.