In the long tradition of great programs measured as much by their crowds as their scores, USC's Los Angeles Memorial Coliseum offered a complicated picture on a Friday night in early September — a convincing victory over Fresno State shadowed by rows of empty seats at kickoff, raising quiet but persistent questions about whether a storied program's identity still commands the devotion it once did. The city itself offered a partial defense: Los Angeles traffic is its own kind of force of nature, and by the second quarter the stadium had filled considerably, suggesting the wound may be more logi