Thursday, Jan. 18, 2024 at 9:30 p.m. on KPBS TV / Stream now with the PBS App + Encore Saturday, Jan. 20 at 3:30 p.m. on KPBS TV. Explore the finest coffee spots in Tijuana, from a roastery that purchases and roasts 100% Mexican specialty coffee beans; a cafe that pioneered specialty coffee whose brewing sensei began his career in the fields of Chiapa; to a seafood taco place that had its origins on a food truck.