Fronteras: San Antonio is trying to figure how to regulate ride sharing companies such as Uber and Lyft. This week, we look at how Uber is faring in San Diego. Rosie Castro was a trailblazer for Latino politicians, which includes her twin sons, Julián and Joaquín. Rosie will be featured on HBO Latino this fall. She joins us on Fronteras to talk about her early activism days, her sons’ political careers and more.