Once upon a time, most churchmen stayed discreetly on the sidelines dur ing a presidential campaign. No more. This year, as never before, religious journals, church groups and individual clergymen are deeply, openly involved in the election. The overwhelming majority are against Barry Goldwater and, though less fervently, for Lyndon Johnson. In marked contrast with 1960, when Protestant ministers soberly debated whether John F. Kennedy's Roman Catholicism might impair church-state separation and mostly concluded that it would not churchmen this year have generated more heat than light.
In large...