Pastor Rick Warren talks church's weight loss -- a total of 250,000 pounds

Pastor Rick Warren joined forces with Dr. Daniel Amen and Dr. Mark Hyman to write "The Daniel Plan: 40 Days to a Healthier Life," inspired by a Centers for Disease Control and Prevention report revealing nearly half of all Americans suffer from obesity. Warren and co-authors Amen and Hyman discuss with the "CBS This Morning" co-hosts how 15,000 members of Warren's Saddleback Church lost a combined total of a quarter million pounds, as well as key elements of their faith-based weight loss plan.