"Half Brothers" star Luis Gerardo Méndez joins us to talk about the need for more authentic portrayals of Mexicans in film. The new movie tells the story of a Mexican aviation executive who learns he has a half-brother in America. And, lizards that can grow up to 4 feet long are invading the American South. The Argentine black-and-white tegu first appeared in the Florida Everglades nearly a decade ago, but now are being seen in Alabama, Georgia and South Carolina.