Ever since the Supreme Court ruled organized prayer and Bible study in public schools unconstitutional in the early 1960s, conservative Christians have been trying to re-enter the secular arena. Take Lemon v. Kurtzman (1971). The case, The New York Times wrote last year, "...challenged a 1968 Pennsylvania law that reimbursed religious schools for some expenses, including teachers' salaries and textbooks, so long as they related to instruction on secular subjects also taught in the public schools. Chief Justice Warren E. Burger ... said the law violated the First Amendment's prohibition of government establishment of religion. The ruling set out what...