When you think of an artist's tools of the trade, what comes to mind? Some paintbrushes, a canvas, a couple tubes of paint. How about... a chainsaw? It may seem more a tool of destruction than creation, but UK artist Tommy Craggs has grown to become quite skilled with his weapon of choice. On his website he says, "I see the trees come back to life in my artistic struggle working against the grain, with all of the beauty of the wood showing through." Environmentalists have nothing to fear: Craggs...