Pope Francis and U.S. Vice President Joe Biden at the International Conference on Regenerative Medicine in Vatican City on April 29, 2016.
National Prayer Breakfast
Pope Francis and U.S. Vice President Joe Biden at the International Conference on Regenerative Medicine in Vatican City on April 29, 2016.

If confirmed, the visit will occur while Biden has yet to appoint a new ambassador to the Holy See.

Read More: National Catholic Register