Mitt Romney proclaimed himself a strong supporter of abortion rights in state campaigns in 1994 and in 2002. Now, he says he opposes almost all abortions. Evan Vucci/AP hide caption

itoggle caption Evan Vucci/AP

Rep. Todd Akin, R-Mo., says Rep. Paul Ryan, R-Wis., the GOP vice presidential candidate, asked him to end his Senate bid after recent comments he made referring to "legitimate rape." Jeff Roberson/AP hide caption

itoggle caption Jeff Roberson/AP

Virginia Senate Republican Leader Thomas Norment, of James City, (left), and State Sen. Stephen Newman, of Lynchburg, listen to a Feb. debate on a bill requiring an ultrasound before an abortion. The bill was later amended to remove a requirement for transvaginal ultrasound. Steve Helber/AP hide caption

itoggle caption Steve Helber/AP

U.S. Sen. Patty Murray (D-Wash.), center, speaks as Sen. Jeanne Shaheen (D-N.H.), right, and Sen. Dianne Feinstein (D-Calif.) at a April news conference on Capitol Hill. Alex Wong/Getty Images hide caption

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Arizona state Sen. Nancy Barto, R-Phoenix, listens during a special budget briefing at the state Capitol in October 2008. Barto sponsored a new law that prohibits wrongful birth lawsuits. She says the bill "sends the message that all life is worth protecting." Ross D. Franklin/AP hide caption

itoggle caption Ross D. Franklin/AP