If you've ever wondered why the President is so self-assured when it comes to flaunting the Constitution and all manner of international treaties he swore to uphold in his oath of office then you need look no further than this man: John Yoo, constitutional revisionist and in-demand conservative legal hack.  Take a long look at Prof. Yoo's greatest hits and it doesnt' take much to figure out why he continues to be the most influential legal mind in White House circles.