Michelle, from Rosetta Stone! Congratulations! Email your mailing address to mamamayerle(at)mac(dot)com and I'll get your pristine copy of Cook's Country out to you this week. Hope you enjoy reading and creating the recipes from this magazine as much as we do!
To answer a couple of the questions that were posted in the comments: I never did find a recipe that called for vinegar in pie dough, so I was not able to find why one would want vinegar in pie dough. I did find a "fool-proof" recipe from the folks at Cook's Illustrated that called for vodka in the pie dough. Their final version of the recipe called for equal parts water and vodka (two tablespoons of each) and they did note you would need more flour while rolling out your crust. Happy cooking!