60 Minutes — Episode 4: Washington's Open Secret; Dick Cheney's Heart; Return of the Humpbacks

You are watching the episode Washington's Open Secret; Dick Cheney's Heart; Return of the Humpbacks Steve Kroft reports on how members of Congress often use funds donated to political-action committees for their own personal use; former vice president Dick Cheney discusses his heart issues. Also: efforts to save the endangered humpback whale.