SALT LAKE CITY, Feb. 3 — Faith's domain is evident everywhere at the Utah Legislature, where about 90 percent of the elected officials are members of the Church of Jesus Christ of Latter-day Saints. Prayers are commonplace, and lawmakers speak of their relationship with God in ordinary conversation. So it might be tempting to assume that legislation relating to the divisive national debate about the teaching of evolution in public schools would have a predictable outcome here. Senate Bill 96 is proving that assumption wrong. The bill, which would require science teachers to offer a disclaimer when introducing lessons on...