How to tax US companies’ foreign profits

How to tax US companies’ foreign profits The current system discourages companies from using foreign profits in the US and generates almost no tax revenues for the US, writes Robert Pozen
http://link.ft.com/r/QM42II/C4PHFW/OJS3XZ/WTCEL5/ZGKF28/28/h?a1=2012&a2=2&a3=23