I am not a crook
This is a reference to a song towards the end of the album named The Mayor and the Crook.
This is an obvious allusion to the famous line from the 37th president of the U.S., Richard Nixon and even said with a similar voice; he is often considered to be the greatest politician in the modern era, though not such a great human being.
This line came at the height of the Watergate scandal after members of his party were caught breaking into the Watergate building housing the offices of the Democratic party headquarters. When prompted by a question asking if he had ever made a profit from his public service, Nixon responded, “People have got to know whether or not their President is a crook. Well, I’m not a crook. I’ve earned everything I’ve got."
http://www.youtube.com/watch?v=sh163n1lJ4M As you can see from his body language, he wasn’t a very good liar either…
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