Boing Boing reader Revurt says,
Though commissioned by him, MOCA director Jeffery Deitch had this antiwar mural by Blu whitewashed, deeming it "offensive" — a clear act of censorship and a blow to our freedom of speech. This is a short series of interviews with some folks who care. They are protesting with laser graffiti on the bare wall.
Video Link, and related Los Angeles Times article.
The artist whose work was destroyed by Deitch and Moca, Blu, comments here.
Earlier coverage on Blogging.LA.