Sadly, it's too late to wheedle a cable car sponsorship out of Thelonious MonkWhen Municipal Transportation Agency director Malcolm Heinicke earlier this week proposed selling off "sponsorships" to the city's treasured cable cars as a means of making the city's ends meet, you could almost hear the resultant hemorrhages in city preservationists' cranial blood vessels. After all, the cable cars -- along with the Golden Gate Bridge -- are the city's most treasured and unique symbols. Good sir, how