 Top stories we're working on for you here at WTOP. As President Biden defends his case for re-election tonight with a primetime interview that airs later, Virginia Senator Mark Warner is trying to get fellow Democratic senators together to convince the president to abandon his race for the White House. You might want to put off your Friday night activities a little while longer or do them inside in air conditioning because the heat advisory remains in our effect until 8 o'clock tonight.