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