On today’s episode of “Daily Variety” podcast, global star Kate del Castillo details the return of “La Reina del Sur” for a fourth season on Telemundo next year. Her widow-turned-crime boss character Teresa Mendoza will “be touching hell,” del Castillo promises. The global star also touches on the state of the content marketplace and how the Trump administration’s brutal crackdown on undocumented immigrants has changed life for Latinos in the U.S. “ La Reina del Sur ” (Queen of the South) has been a landmark series for Telemundo as it marked the Spanish-language network’s early effort to experiment with drama series designed to return for multiple seasons, in contrast to the self-contained storytelling of most telenovelas. “La Reina” was a smash in its debut in 2011 and had been a franchise player for Telemundo. Popular on Variety “That’s why we call it a ‘Super Series’ because with telenovela they have many, many, many, many more episodes. And budget-wise, it’s a very different.…