Carl IcahnBill Ackman and Carl Icahn graduated high school (although Dan Loeb may have to check into their degrees), but they seem to have not matured completely. Ackman was just on CNBC and Carl Icahn called in to fight with him live on air. We have just found the video (and will be posting more details soon). The video of the two men fighting is embedded below:

Video one is Ackman, video two (below) is both men fighting (and much more exciting).