en: During his election campaign , he twice debated McCain , once in Tucson , and once in Flagstaff . During his campaign , he twice debated McCain , 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 dua kali membahaskan McCain, sekali di Flagstaff dan sekali di Tucson.