The visiting Americans planned to meet Thursday with Videgaray before a working lunch with Mexican officials and a formal meeting with Mexican President Enrique Pena Nieto. The worsening rift over deportations and illegal immigration adds to an array of disputes that have sent U.S.-Mexico relations plunging since Trump took office a month ago. Mexican officials are also apprehensive over Trump's pledge to overhaul the trade relationship and possible apply steep taxes to Mexican products, a move with profound impacts for Mexico's export-heavy economy. Mexican officials are also likely to seek answers about whether a forthcoming report ordered by Trump's administration that will list all current U.S.