The Beatles, The Jeffersons, and Four Loko - all good things must come to an end.  So far five states have banned the drink and the number is rising as North Carolina is expected to join the ranks, many cities have enforced restrictions while waiting for their state to follow suit, and soon the FDA is expected to regulate the issue nationwide.  On Monday, Kentucky Alcoholic Beverage Control sent a letter to manufacturers, distributors, and retailers asking them to voluntarily discontinue their relationships with the drink and they are required to send ABC a response within