Death by Chalk

So this morning as I was headed to work I saw this obviously loony chap somewhere around Grand Central. He was standing just off the curb writing something with a piece of white chalk on the pavement of the street. Traffic was kind of swerving around him. When I got closer, I saw that the letters, which were about three feet high, spelled out, "Go Home Arabs!"

If that's not just asking to get run over by a cabbie, I don't know what is.