"I earlier observed that, in my judgment, Roe ventured too far in the change it ordered. The sweep and detail of the opinion stimulated the mobilization of a right-to-life movement and an attendant reaction in Congress and state legislatures. In place of the trend "toward liberalization of abortion statutes" noted in Roe, legislatures adopted measures aimed at minimizing the impact of the 1973 rulings, including notification and consent requirements, prescriptions for the protection of fetal life, and bans on public expenditures for poor women's abortions."