Remembering jazz pianist Ramsey Lewis; Tracking sales from gun shops

Many credit Ramsey Lewis with helping to revive jazz, a genre that was lagging in popularity in the 1960s. We hear some music made famous by the jazz pianist to mark his passing. And, Visa, Mastercard and American Express have announced that they will begin separately categorizing sales from gun shops. Roben Farzad of Public Radio's "Full Disclosure" talks about the effort to help track suspicious purchasing activities before future mass shootings.