Fronteras: Tino Duran, publisher of San Antonio bilingual newspaper La Prensa, just went public with his Alzheimer’s diagnosis. Duran’s daughter Nina joins us on Fronteras to talk about her father and the family’s journey with Alzheimer’s. Imagine traveling the entire Rio Grande, just you, a canoe and some paddles. A couple of journalists are doing just that. We check in on the progress of the Disappearing Rio Grande Expedition.