U.S. President George W. Bush yesterdayannounced he intends to nominateMark Langdale, from Texas, as U.S. Ambassadorto Costa Rica, according to the U.S.Embassy in San José.Langdale, whose background is in telecommunicationsand real estate, is presidentof Posadas USA, a Mexico Citybasedhotel management company. TheU.S. Senate must approve his nomination.