Sandra Day O'Connor Sandra Day O'Connor

Rev. Brad Wells, left, Rev. Patrick Mahoney and Paula Oas, kneel in prayer in front of the Supreme Court in December as justices hear arguments in the Masterpiece Cakeshop case. Jacquelyn Martin/AP hide caption

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Jacquelyn Martin/AP

Former Arizona Rep. Gabrielle Giffords, accompanied by her husband, retired astronaut Mark Kelly, speaks during a news conference in Manchester, N.H., in July. They were there to encourage state political leaders to have courage in the fight to expand background checks on gun purchases. Mary Schwalm/AP hide caption

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Mary Schwalm/AP