tavis smiley, joining me next time for a conversation with two outstanding musicians migail and charlie hayden. >> there's a saying that dr. king had, he said it's always the right time to do the right thing. i try to to live my life every day by doing the right thing. we know we're only halfway to completely eliminate hunger and we have a lot of work to do. wal-mart committed $2 billion to fighting hunger in the u.s. as we work together, we can stamp hunger out. >> and by contributions to your pbs station from viewers like you. thank you.