"Loose cannon, " "vetting process, " "financial entanglements, " questions about which high-flying oligarch gave how much to Bill's presidential library, and what the implications of the gift are, including potential conflict of interest.

WSJ: Keep Gates

While FORBES started checking with our Ukrainian sources to find out which oligarch bought the 25, 000 square foot apartment, the Financial Times beat us to the punch.

FORBES: Mystery Buyer Of World's Most Expensive Apartment Revealed