MONTREAL — No, apparently, you can't blow it up. And taking it apart would be very expensive and time-consuming. So, the City of Montreal seems to be stuck with the ill-fated Olympic Stadium, an enigma and concrete representation of government incompetence, cost overruns and crumbling infrastructure, but also an iconic city symbol, a dramatic fixture on the skyline and a major draw for tourists. It's a venue vacated by baseball's Montreal Expos who decamped for Washington, D.C., in 2004 and the CFL's Alouettes, whose new downtown digs at McGill University were recently expanded to seat 25,000. The Als, however, do...