Pope Francis arrives in Washington D.C.

PHILADELPHIA (AP) — Pope Francis’ six-day, three-city tour of the U.S. this week evolved from a pledge he made last fall to attend the World Meeting of Families in Philadelphia.
Stops in Washington and New York were added after Francis put the triennial, Vatican-sponsored conference on his agenda. It opens Tuesday.
Organizers describe the conference that blends prayer, religious instruction and faith-themed lectures as the world’s largest gathering of Catholic families.
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