All winter a big, young crop of women swimmers had been practicing diligently for the National A.A.U. senior indoor championships. Last week, in a field of 471, the youngsters swarmed around Palm Beach's Biltmore pool waiting their turns to try to dislodge the defending champions. Before the four-day aquaparade was over, some of the established queens ended up as ladies in waiting.
Chunky Maureen O'Brien, 18, competing for Chicago's Town Club, defeated Champion Barbara Jensen in the 200-yd. backstroke, missing the meet record by one-tenth of a second. Next day, Maureen pared down...