Dunno. Probably one set up in front of Hill Auditorium. Not the kids', would be my bet. Typical juvinile vandalism -- like scrawing swastikas on a synogogue, or smearing excrement on a door handle in the school cafeteria.
Looks like they picked the wrong medium for expressing themselves, to me.
Or licking door handles and office tools in Gary Bauer's office when you've got the flu...a la that Salon fella.
The Left is juvenile by definition...MUD