Celebrated Nigerian writer Chimamanda Ngozi Adichie speaks with NPR's Michel Martin about her new book, "Dream Count."

They involve some $2 billion in unpaid bills. MARTIN: NPR's Frank Langfitt has been tracking the matter. He's with us now. Good morning, Frank. FRANK LANGFITT, BYLINE: Hey, good morning, Michel. MARTIN: So we've been covering these cases at NPR.

NPR's Michel Martin speaks with U.S. Sen. Tim Kaine of Virginia about Democrats' reactions to President Trump's address before a joint session of Congress.

Gospel superstar Marvin Sapp is going secular — if only for a few songs. His new mini-album is called "If I Were an R&B Singer."