HOUSTON — On a recent scorcher of a Houston afternoon, Carlos Eduardo Espina was driving to a restaurant that specializes in Nicaraguan and Puerto Rican food when he received a news alert on his iPhone: The former president of Honduras had been sentenced to 45 years in a U.S. prison for drug trafficking. “Oh, I need to make a video, actually, in the car,” Espina, 25, said apologetically as he pulled his Honda crossover SUV into the restaurant’s parking lot.