Mexico City     I could swear that flying into Mexico City for the first time in five or six years that the sky was clearer, but that might have been a mirage.  The brown cloud still hovered over the mountain and volcano sites that surround this great, huge city and traps the inversion even on …

            Creel, Mexico     The Chepe Express leaves from Los Mochis on an 8 o’clock schedule through Copper Canyon in the Sierra Madere mountains in the state of Chihuahua in Mexico.  It’s a comfortable train that sets off with many empty seats but arrives in Creel 10 hours later having filled up along the way.  …