text:  Press Secretary Karine Jean-Pierre says Biden will travel to Delaware as was originally planned. He will self-isolate there and continue to carry out his duties. Deva Shivaram, NPR News. Meanwhile, California Democratic Congressman Adam Schiff has publicly asked Biden to drop out of the presidential race. Schiff's statement was first reported by the L.A. Times. Schiff says he has serious concerns about whether Biden can win in November. This is NPR.