Few things are more all-American than a cold beer at a backyard barbecue. But if you want to step up your game and pair your beer choices with your food, how do you determine your lineup? We caught up with The Beer Chicks, Hallie Beaune and Christina Perozzi -- owners of the 8th Street Bottle Shop in Los Angeles and authors of “The Naked Pint: An Unadulterated Guide to Craft Beer" -- to learn their secrets to picking brews for a barbecue.