After a six-year absence, the Boy Scouts of America are back in the high court again. This time it is their brother Sea Scouts who are asking the Supreme Court for a lifeline. The case of Evans v. City of Berkeley is a close one. These are the facts. Eugene Evans joined the Sea Scouts in Berkeley, Calif., in 1957. He was then 13 years old. It is not especially relevant, but he has served as skipper (the equivalent of a scoutmaster) of the Sea Scout ship Farallon for the past 35 years. The vessel serves as the equivalent of...