"I'm a progressive," says U.S. Amateur Tennis Ace Arthur Ashe. Perhaps that explains why Ashe took the court recently for exhibition matches in Manhattan's Vanderbilt Tennis and Athletic Club wearing snazzy powder-blue shorts and shirt. All the other players were showing colors too—either "Match Blue," like Ashe, or "Trophy Yellow." What's more, the new Technicolor togs, manufactured by Catalina Martin, bore the endorsement: "Selected by the U.S.L.T.A. for the U.S. Davis Cup Team."
There's only one problem. The endorsement, which the U.S. Lawn Tennis Association has given in return for royalties, does...