Medical journal estimates deep cuts in U.S. humanitarian aid could result in the deaths of up to 14 million people in the next five years.

Correspondent Bill Whitaker and a 60 Minutes team took every precaution to report aboard a U.S. Coast Guard lifeboat in treacherous waves along the Pacific coastline.

The U.S. Coast Guard's elite surfmen are trusted to drive lifeboats on the most challenging rescue missions. They train in some of the worst weather and on the highest seas in America.

Smith Island in the Chesapeake Bay is slowly disappearing as sea rises and erosion hits the shoreline. The population has dwindled, but the people still living there say they're there to stay.