From left, Sens. Charles Grassley (R-IA), Orrin Hatch (R-UT), Jeff Sessions (R-AL) and Patrick Leahy (D-VT), during Wednesday's session. Brendan Smialowski/Getty Images hide caption

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Nebraska lawmakers vote April 9 to ban abortion beyond 20 weeks after conception. The law is part of a national trend of state laws restricting abortion. Nati Harnik/AP hide caption

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Thurgood Marshall with George E.C. Hayes (left) and James M. Nabrit (right) outside the Supreme Court building on May 17, 1954. The three lawyers had just led the fight for abolition of segregation in public schools before the Supreme Court, which ruled that segregation was unconstitutional. AP hide caption

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