-- Pope Francis is embarking on his historic United States journey.
The leader of the Catholic Church has a packed schedule today that includes trips to the White House and the National Mall. He is also scheduled to visit the Capitol Thursday before traveling to New York City and later, Philadelphia.
The pope landed at Andrews Air Force Base Tuesday, where he was greeted by President Obama.
ABC News will be providing live coverage of Pope Francis' three-city tour of the U.S. on this blog.