USA Today (4/7, 11A, Hawley) reports, "Aerospace companies are streaming to Mexico, drawn by lower wages, enthusiastic government promotion, a new safety agreement with the United States and an increasingly sophisticated workforce. " Notably, "Mexico's aerospace-related exports have more than tripled since 2004, to $683.2 million last year, and exports are accelerating as manufacturers move into big-ticket items such as tails and fuselages." For instance, "Canada's Bombardier wants to eventually assemble complete jets in Mexico. Despite a booming worldwide market for aircraft, American unions worry that the move to Mexico might result in major layoffs if the industry takes a downturn." Industry officials compare "the trend to the 1980s, when U.S. companies moved from making auto parts in Mexico to assembling entire vehicles." Mexico exports every