(Our happy-hour fact to amaze your drinking buddies with.)

Kentucky, Missouri, Minnesota, South Carolina, South Dakota, Wisconsin and Vermont are debating legislation or planning ballot initiatives that would lower the drinking age.

Proponents of the change have been aided by the argument that it's unfair to consider men and women mature enough to fight in Iraq and Afghanistan, but not responsible enough to buy alcohol legally.

Opposition is fierce, with organizations including Mothers Against Drunk Driving lining up to thwart the efforts of groups like Missouri 18 to Drink.

No matter what, the outcome of the clash will be determined over the coming months. Meanwhile, look for the number of college applications to spike in Kentucky, Missouri, Minnesota, South Carolina, South Dakota, Wisconsin and Vermont.

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