 of the United States of America. Vance praising the president, Donald Trump, and celebrating that he survived the attempt on his life. So we meet tonight, we cannot forget that this evening could have been so much different. Instead of a day of celebration, this could have been a day of heartache and mourning. Tonight, night four of the convention, Donald Trump expected to accept the nomination and deliver the keynote speech. 81-year-old President Biden has tested positive for COVID. The White House saying he'll isolate in Delaware.