Oleg Deripaska, Barred Russian Tycoon, Allowed Into U.S. By FBI, Meets Top Execs
wsj.com:
One of Russia's most powerful tycoons -- barred entry to the U.S. for years due to U.S. government concerns about possible ties to organized crime -- visited the country twice this year under secret arrangements made by the Federal Bureau of Investigation.

First Posted: 3/18/10 Updated: 5/25/11