Kit KellisonGreenberg and some of his art in 2007.As far as the local judicial system is concerned, Lewis Greenberg's art is still a danger to society. A St. Louis County circuit judge yesterday upheld a ruling by the Ballwin municipal court that Greenberg's yard installation, The Holocaust Revisited, may be art, but it's still dangerous and needs to be removed.Judge Lawrence Permuter told Greenberg that he has 30 days to remove the sculpture from his yard or pay a $1,000 fine. David Howard a