LITER BEATER
Since Jan. 1, when wine and liquor bottlers began observing a federal mandate to switch to metric measurement, the cost of boozing has been confusing. Pints, fifths, quarts, half-gallons and gallons are being replaced in stores by new-size bottles. The quart, for instance, is being supplanted by a container holding 1 liter (a good slurp more than the old bottle); a half-gallon jug of vino now comes in a 1.5-liter size, while the half-gallon of hard stuff has become a 1.75-liter container. Judging the better buy between sizes is enough to drive an Einstein to drink....