Biden's Press Sec goes on the offensive in epic exchange with reporters while refusing to tell what doctors exam Biden & why a renown Parkinson's expert has visited the Biden White House so many times in recent months.
Should Biden take a cognitive exam? Democrat Warnock: "I'm not a doctor. It's not something I've even thought about. I'll tell you, Trump is a sick person. He lies every 90 secs. I don't know anybody like that..."