MEXICO CITY - U.S. Ambassador and Texas Republican star Tony Garza is marrying his very wealthy Mexican wife today — again — in a private ceremony at a piney woods lake resort to which Mexico City's elite retreat for weekends. Garza and Maria Asuncion Aramburuzabala, a brewing and television magnate who reportedly is Mexico's wealthiest woman, were wed by the Roman Catholic Church in late February. Today's civil ceremony is for their union to be legal here. The ecstatic couple make clear that it's all about the love. But their marriage weds enormous wealth with political potential, making them a...