U.S. Secretary of State John Kerry bids farewell to Vatican Chief of Protocol Monsignor Jose Bettancourt after he gave U.S. officials a tour of the Vatican and Apostolic Palace in Vatican City during a visit to Rome, Italy, on Tuesday (January 14). Photo courtesy U.S. Department of State

U.S. Secretary of State John Kerry bids farewell to Vatican Chief of Protocol Monsignor Jose Bettancourt after he gave U.S. officials a tour of the Vatican and Apostolic Palace in Vatican City during a visit to Rome, Italy, on Tuesday (January 14). Photo courtesy U.S. Department of State