After a rapid decline, Wallace died this morning. Tomorrow I shall bury my fourth Yorkshire Terrier. Dogs have been with humankind from the time we deserved to be called people. Perhaps they had something to do with us becoming more than the clever devils we must have been. Dogs are perhaps the purest form of love, and Yorkies are another order of magnitude. Somebody once said that we are doomed to outlive all of our dogs — except the last one.