MIT Cast on YLBFB (11-04-08)

Part 1:
http://www.youtube.com/watch?v=q5aXbzIzZN0

Part 2:
http://www.youtube.com/watch?v=ToOaeZAXw54

Part 3:
http://www.youtube.com/watch?v=H7k-nyMVsSc

Part 4:
http://www.youtube.com/watch?v=9NMBCN0Zm40

Part 5:
http://www.youtube.com/watch?v=yHr4v8KW2KY