Some economic issues undoubtedly have national security implications, and in the post- 9/11 world, the concept of national security has broadened. It now includes the number of ports a company headquartered in an allied Gulf country can own and operate in the U.S., and if a large U.S. oil company can be bought by a Chinese state-owned business.

The ever-broadening definition of national security has seemingly encompassed the foreign exchange market which, with an estimated daily turnover of $3.2 trillion, is the largest of the capital markets.