>About 10 years ago an artist in Toronto gorged himself on blueberies
>and a bunch of other blue food, went into the Art Gallery of
>Ontario, jammed a finger down his throat and hurled all over a
>painting (a Mondrian I think) that was dominated by the color blue.
>He claimed it was a comment on the effect that art (literally) had
>on him.
And don't forget the inspiring example of Tony Shafrazi, who spray-painted the phrase "Kill Lies All" on Picasso's Guernica in 1974. He now runs a snazzy art gallery in NYC <http://www.tonyshafrazigallery.com/>.
Doug