The very first of the famous “Got Milk?” TV commercials featured a young history geek obsessed with the infamous duel between Aaron Burr and Alexander Hamilton.Unable to answer a radio trivia contest because his mouth was glued shut by a glob of peanut butter and his milk glass is empty, the Burr/Hamilton spot was voted one of the top 10 commercials of all time in a USA Today poll. Besides keeping a lot of dairy cows employed, that commercial may well have been...