When it comes to the issue of gay marriage, the Jewish Theological Seminary blinked and gave way to society’s shifting mores. So one must ask the question: Should we guide religion, or should religion guide us? The ongoing battle over redefinition of marriage threatens to shatter a long-standing, popular approach to personal faith and biblical morality. For several generations, most Americans have embraced what could be described as the Goldilocks attitude toward religion: affirming faith choices that seemed not too soft but not too hard, not too hot but not too cool. Majorities viewed easy-going moderation and comforting compromise as...