RESOLUTE v SHAMROCK: The 1920's America's Cup Race between the Herreshoff designed Resolute and SirThompson Lipton's Shamrock IV was one of the closest cup defenses in history, Despite light winds and fog during the start, the excitement came at the finish of the second race when Shamrock IV led the series 2-0. She only had to win one of the next three races to send the cup back to England, she didn't