This week on KALW's showcase for the best in public radio podcasts . . .

Radio Ambulante Unscripted:  "Building Bridges and Smuggling Books"  Daniel Alarcón speaks with writer and activist Tony Diaz, - a.k.a. Librotraficante - one of the leaders of a nation-wide movement in favor of Mexican-American and Ethnic Studies.

Chuck Finney is joined by patent attorneys Ron Rohde and Myrna Schelling.