"I sure have - and you'd better acquire one if you want to live as long as I have." Jubal had just trusted Douglas with a fortune equivalent to a medium-sized national debt - but he had not assumed that Douglas ' overeager lieutenants would not tamper with food and drink.  So to avoid the services of a food taster he had fetched all the way from the Poconos plenty of food, more than a plenty of liquor - and a little water.  And, of course, ice cubes.  He wondered how Caesar had licked the Gauls without ice cubes.