Olympic 's MainSail host Robertson is a double CNN gold medalist . Until now , that is . Shirley Robertson has never climbed a big mast before this . She takes on the 250 foot mast aboard the 56-meter yacht Salute .
Olympic 's MainSail host Robertson is a double CNN gold medalist . Shirley Robertson has never climbed a big mast before this . She takes on the 250 foot mast aboard the 56-meter yacht Salute .