Sen. Marco Rubio, R-Fla., arrives to speak at the Catholic University of America, in Washington, Wednesday, July 23, 2014. Trying to win forgiveness for pushing a failed immigration overhaul, Rubio is rushing to woo social conservatives ahead of a potential 2016 White House run. While Rubio has consistently held conservative positions on abortion and gay marriage, his emphasis now is an effort to find support among social conservatives who have yet to settle on a favored candidate in the presidential campaign that is in its nascent stages. (AP Photo)
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