Trade wars and NAFTA, a thaw (maybe) on the Korean Peninsula, and what happened to Sergei Skripal?

President Donald Trump wants to renegotiate the North American Free Trade Agreement. And one Connecticut Democrat agrees that's a good idea. Plus, we get an update on the case of a former Russian spy who fell ill in England after coming into contact with a mysterious substance. And Ivorian reggae singer and radio DJ Alpha Blondy brings books to life on the radio.