In the US, voters elect officials to represent their concerns in local communities as well as in Washington. These officials, in theory, work to advance the causes of their constituents, whether they're representing individuals, groups of individuals, or businesses and special interests. But there's another, unelected group fighting to represent a given special interest: lobbyists. In part one of this two part episode, the gang explores the history of lobbying, how it became controversial -- and why so many people are convinced the industry is riddled with corruption.