The online travel agency Booking.com said Monday it plans to add warnings to listings in the Israeli-occupied West Bank, becoming the latest foreign company to wade into one of the world’s most contentious debates. Booking.com said it would caution customers booking accommodations in Israeli settlements that they were traveling to a “disputed, conflict-affected or high-risk” area that “may pose greater risks.” The company told The Associated Press that it was still working on the language of the safety warning for the Israeli-occupied West Bank and a few other regions around the world. It did not say when the alert would...