Viktor Kozeny has a reputation for extravagance that is not easily rivaled. The frizzy blond, Harvard-educated “financier” lives in a $29 million home in the ultra-posh Bahamas gated community of Lyford Cay. The home features a $13 million pool-with-office-bar-and-underwater-cavern. Kozeny’s other assets have hardly been less ostentatious: a