Mexican Elite Fetes Marriage of U.S. Envoy, Heiress By Noel Randewich MEXICO CITY (Reuters) - Mexico's rich and famous celebrated the high society marriage of a charismatic U.S. ambassador to a beer baroness with a fortune worth $1.5 billion on Saturday in a lavish but very private party. Bride Maria Asuncion Aramburuzabala and groom U.S. Ambassador Tony Garza invited 400 friends to a lakeside resort town for a wedding, billed as Mexico's society event of the year. Guests invited to the glamorous couple's party near Mexico City included U.S. first lady Laura Bush, Texas Governor Rick Perry and Mexican telecommunications...