U.S. abortion rights activists vow to challenge landmark Alabama ban

U.S. abortion-rights activists vowed on Wednesday to challenge an Alabama bill that would ban abortions, even in cases of rape and incest, the latest attempt by conservatives to reverse a 1973 Supreme Court ruling establishing a woman's right to it.The state's Republican governor, Kay Ivey, has a week to sign or veto the bill, which would be the nation's strictest anti-abortion law.Leana Wen, president of the Planned Parenthood Federation of America, said her group would challenge the measure in