US Secretary of State Mike Pompeo (L), his wife Susan (Rear) and US Ambassador to the Holy See, Callista Gingrich (R) make a private visit with a curator (hidden) to Sala Regia state hall following the launch of a Vatican - US Symposium on Faith-Based Organizations (FBOs), in the Vatican, 02 October 2019, as part of Pompeo's four-nation tour of Europe.