http://www.youtube.com/watch?v=KjZBOCAgR64
For those that aren't visual thinkers...
1,000,000 - million
1,000,000,000 - billion
1,000,000,000,000 - trillion
60 minutes interview with Comptroller General David Walker.
http://www.youtube.com/watch?v=OS2fI2p9iVs
Hey Mr. Walker...