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AP A AL USA Abortion Anniversary

Amy Applegate holds a sign during a rally by the Montgomery chapter of the National Organization for Women as they gather on the steps of the State Capitol in Montgomery, Ala., Monday, Jan. 22, 2007, to celebrate the Roe v. Wade decision in 1973 that legalized abortion. (AP Photo/Desiree Hunter)

Roe v. Wade

Prayers, marches and protests kicked off in Washington on Jan. 22 to mark the 40th anniversary of the Supreme Court decision that legalized abortion, even as battles over the issue have largely shifted from the federal courts to statehouses.