When you walk into the Auburn Drug Company, downtown Auburn, you might think you have fallen into the movie "It's a Wonderful Life" with a young Jimmy Stewart behind the soda fountain and Donna Reed sipping a soda. But you really are still in 2003, just lucky enough to have found a soda fountain left over from the "good old day."The scale behind the counter says: "Drink Coca Cola," and promises "honest weight, no springs." Vintage milk bottles sit on a shelf above the glass ice cream bowls and tall malt glasses.Up on the second floor, memorabilia line shelves: an …