Here's a story out of Orlando. One has to wonder if this would be as nearly a big problem if the posters were about a concert announcment....
http://www.orlandosentinel.com/news/local/breakingnews/orl-bk-obama-joker-suspect-081309,0,4959018.story
http://www.orlandosentinel.com/news/local/breakingnews/orl-bk-obama-joker-suspect-081309,0,4959018.story