Activists on both sides of the abortion issue attend a vigil outside the U.S. Supreme Court on Jan. 23. The vigil was held to mark the anniversary of the Roe v. Wade Supreme Court decision that legalized abortion. Anti-abortion groups plan to push several bills this year that would restrict abortions. Brendan Hoffman/Getty Images hide caption

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Kansas Secretary of State Kris Kobach has endorsed Mitt Romney — an endorsement that some say could be toxic to the Republican presidential candidate. John Milburn/AP hide caption

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In 2008, California voters passed Proposition 8, making same-sex marriage in the state illegal. Now, legal challenges to that initiative mean it could soon get a ruling from the U.S. Supreme Court. Max Whittaker/Getty Images hide caption

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