10 great places to play tennis (and improve your game)

Sea Island, Ga., offers video analysis of tennis players' strokes.(Photo: Eliot VanOtteren, Seaisland.com)With the U.S. Open starting Monday, many weekend tennis players will be inspired to raise their game. Taking a tennis resort vacation can make a difference, says Bob Bryan, who, with his twin brother, Mike, has won multiple Olympic medals and championships.