Episode Name: Washington's Open Secret; Dick Cheney's Heart; Return of the Humpbacks
Episode Overview: 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.
Episode Number: 4
Episode Season: 46
Episode First Aired: 2013-10-20