en: During his campaign , he debated McCain twice , once in Tucson and once in Flagstaff . During his election campaign , he twice debated McCain , once in Tucson , and once in Flagstaff .
ms: Semasa kempennya, beliau membahaskan McCain dua kali, sekali di Tucson dan sekali di Flagstaff. Semasa kempen pilihan raya, beliau dua kali membahaskan McCain, sekali di Tucson, dan sekali di Flagstaff.