Pope Leo XIV is embarking on his first foreign trip. His pilgrimage to Turkey and Lebanon would be delicate under any circumstances but is even more fraught given Mideast tensions and the media glare that will document history’s first American pope on the road.

Over the weekend, Elon Musk’s X unveiled a feature that lets users see where an account is based. Online sleuths and experts quickly found that many popular accounts, often posting in support of the U.