Last summer I visited Bruce Cannon's fabulous garden. His potting bench is one of the elements that impressed me.  He took an old stainless steel sink and built his potting bench around it  in the shade. The faucet does work, but the water just drains out onto the ground. Yesterday I was talking to my friend Bob who is one of our town's volunteer fire fighters. Last fall the fire department  held a practice and burned down an old…