Episode Summary
Steve Kroft reports on Washington's open secret: Profitable PACs; then, Clarissa Ward visits a hospital in Sudan that offers free, life-saving surgeries; and, salmon farms: do they help or hurt wild salmon? Dr. Sanjay Gupta reports.
Steve Kroft reports on Washington's open secret: Profitable PACs; then, Clarissa Ward visits a hospital in Sudan that offers free, life-saving surgeries; and, salmon farms: do they help or hurt wild salmon? Dr. Sanjay Gupta reports.