Asparagus: When should you peel asparagus and when don’t you have to?

Kathy e-mailed the Kitchen Shrink to ask how you decide when to peel asparagus and when it is all right to leave it unpeeled. Asparagus comes in all different thicknesses, from pencil-thin to nearly an inch. The bottom woody inch or two of any asparagus should be discarded. Whether or…