Democrat Has Competitive Chance to Win Arizona Senate Seat
Video duration: 6:27
Former U.S. Surgeon Gen. Richard Carmona hopes to achieve what no Arizona Democrat has done in more than 15 years: Win a Senate seat. Special correspondent Axel Gerdau reports on the race between Carmona and Republican challenger Rep. Jeff Flake to win the open seat, which is being vacated by retiring Sen. Jon Kyl.