Morning Joe 05/08/13

Claire McCaskill on getting healthy: I didn't want insulin shots

In Mika Brzezinski's latest book "Obsessed," Sen. Claire McCaskill, D-Mo., tells her story of a life-changing moment where she knew she needed to improve her physical health. Sen. McCaskill joins Morning Joe to discuss her weight-loss journey. ... more Duration: {{video.duration.momentjs}}