With 33% of adults and 17% of children obese, the U.S. is facing an obesity epidemic. A major risk factor for expensive, chronic conditions like heart disease, diabetes, and cancer, it costs our health care system nearly $150 billion a year. Should government intervene, or is this a matter of individual rights and personal responsibility? Panelists: Dr. Pamela Peeke, Dr. David Satcher, Paul Campos, John Stossel.