The title of this article was going to be Moona Lisa. Then I realized I'm not actually 8, but 28. There I am, jumping next to the latest mural by Nick Walker. (Why am I jumping? Check out the Whiskerino Project, but beware: you might be blown away by sexiness. Unless you don't like beards.) This Banksy-esque lady can be found on La Brea, past Edgewood (see map below). Walker is one of four......