In 1965, George W. Bush was elected president of Delta Kappa Epsilon, the most keg-thirsty fraternity on the Yale campus. Thirty-five years later, he's the presidential nominee for America's largest fraternal organization, the Republican Party. For Bush, company hasn't changed too much. Hold on, Hoss, you might say. Yes I would.
Fraternities are exclusive organizations.
One needs only to head to a partying fraternity house and attempt to get in without knowing a brother to discern this little truth. The exclusive nature of the Republican Party, however, may be a bit more difficult to see. In other words, one can vote Republican, but unless you fit a very specific demographic, don't expect much in return. Fraternities, of course, have every right to be exclusive. If they don't want a lot of strangers drinking their precious Beast Ice, then that's their prerogative.