Pope Francis Addresses Joint Meeting Of U.S. Congress [Getty Images]

WASHINGTON, DC - SEPTEMBER 24: Pope Francis waves to the crowd from the Speakers Balcony at the US Capitol, September 24, 2015 in Washington, DC. Pope Francis will be the first Pope to ever address a joint meeting of Congress. The Pope is on a six-day trip to the U.S., with stops in Washington, New York City and Philadelphia. (Photo by Doug Mills - Pool/Getty Images)

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