The Mexican army killed the leader of the Jalisco New Generation Cartel, Nemesio Rubén Oseguera Cervantes, “El Mencho, ” on Sunday. -- -- Mexico travel disruptions: cruise itineraries may bypass Puerto Vallarta and airlines may adjust flights as conditions change after cartel violence in Jalisco tied to the killing of Nemesio Rubén Oseguera Cervantes, known as “El Mencho.” ...