 In the U.S., their poll found more younger adults than older ones expressed loneliness. Matt Piper, CBS News. Now a look at the top stories we're working on at WTOP. An excessive heat warning returns this afternoon for much of the D.C. area. Feels like temperatures are expected into the triple digits once again. We're getting encouraging news about the health of the Chesapeake Bay. And we'll tell you what came out of that meeting among Democrats about President Biden's run for re-election.