"Given all the problems teenagers have, the group made me feel good." That is how Bridget Mergens explains her attempt five years ago to found a Christian prayer club at Omaha's Westside High School. This week the U.S. Supreme Court will consider whether Westside officials violated the club members' right of free speech by denying them permission to meet after hours on school grounds. Conservatives are hailing the case as their best chance in years to put religion back in the schoolhouse.
Westside authorities turned down Mergens because they felt that giving the club access to school facilities would violate their...