The recent indignity by which the Obama administration wants to mandate everyone, including all Catholic institutions or their insurers, to pay for contraception, sterilization and abortion-inducing drugs, has raised the issue of Catholic teaching on these issues. Some commentators have mistakenly asserted that the Catholic ban on these practices only goes back to Humanae Vitae (On the Regulation of Birth), by Pope Paul VI in 1968, or as far back as Casti Connubii (Of Chaste Wedlock), by Pope Pius XI in 1931. The latter encyclical was written in response to the change of moral doctrine by the Anglican Church, which...
