Proponents of a law allowing concealed-carry handguns at Texas state universities say it could prevent incidents similar to the Aug. 1, 1966, University of Texas shootings which left 14 dead. The law went into effect 50 years to the day of the massacre. AP hide caption

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Attorney Bert Rein speaks to the media while standing with plaintiff Abigail Noel Fisher after the U.S. Supreme Court heard arguments in her case in 2012 in Washington, D.C. Mark Wilson/Getty Images hide caption

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Abigail Fisher, who challenged the use of race in college admissions, speaks to reporters outside the Supreme Court on Dec. 9, 2015. The Supreme Court upheld the University of Texas' affirmative action program in a 4-3 decision. J. Scott Applewhite/AP hide caption

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Abigail Noel Fisher, who challenged a racial component to University of Texas at Austin's admissions policy, speaks to the media outside the U.S. Supreme Court building during oral in the case in October. Mark Wilson/Getty Images hide caption

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