CBS Works Past Troubles for Premiere Week NEW YORK - During a week that CBS was fined \$550,000 for Janet Jackson's Super Bowl flash and its news division had to apologize for shoddy reporting, at least the prime-time ratings gave its executives something to smile about.    CBS handily won the ratings race during the first official week of the new television season, and stuck archrival NBC where it hurts the most: on Thursday night and among young viewers...