I realize you're going to spend Independence Day happily drinking whatever cold adult beverage you're served, because you're polite and you're an alcoholic. And I trust you'll have a fine old time no matter what you drink. But that doesn't mean America's sh**brews are all the same. The list below breaks down 36 of them, from worst to least-worst. 36. Keystone. This is the worst beer currently sold on American soil. It sits behind chilled glass in a convenience-store fridge like a dumb rebuke to the explosion of American beer variety all around it. In 1978 there were 89 breweries...