Like most festival shows, the Toronto Rocks concert, a SARS benefit held on July 30, 2003 before a teeming crowd of 490,000, is a pretty mixed bag. For one thing, the Guess Who, Rush, AC/DC, and the Rolling Stones--the headliners--are all well past their primes. They're still kicking, of course, and fans of each will relish their sets. But no headliner save Rush exudes the freshness and ...