Joaquin 'El Chapo' Guzman is caught in Mexico
                                
                                
                                    (Newser) -
                                    A joint US-Mexican force captured the world's most powerful drug lord without firing a shot, reports the  Wall Street Journal . Authorities arrested Joaquin "El Chapo" Guzman at a hotel in Mazatlan overnight, reports  AP . Guzman runs Mexico's notorious Sinaloa Cartel. The 56-year-old has been captured before, but...