We wrap up the year with bittersweet stories. Journalist Oscar Martinez tells us about riding the rails with Central American migrants heading to the United States and Mexico. A bilingual radio station celebrates forty years on the air. The STEM sisters check back in with Maria Hinojosa about starting their science careers. We hear about environmental concerns from Los Angeles to Puerto Rico. A “Banned Books Club” celebrates a year of spreading forbidden Latino-centric literature. And musician Eugene Hutz visits for a performance chat.