Miguel Angel Arreola's skilled friends used to talk of leaving this industrial state to look for better jobs in the United States. But a $200-million investment by Bombardier Inc., the world's third-largest airplane maker, is helping build an aerospace industry in this city of a million, 220 kilometres north of Mexico City. With Bombardier's Mexican labour force expected to quintuple to 2,000 workers by 2010 from 400 in 2006 -- and with the company urging Canadian aerospace suppliers to head south -- Arreola and his peers are now in big demand. "People who were thinking of going to other places...