tower in moscow would look like. how involved would the kremlin be? >> the kremlin is involved in all major business dealings. every single oligarch in russia is allowed to keep their wealth, i say allowed advisory, they're allowed to keep their wealth, they're allowed to do business, only when they respond to the kremlin's taskings when called upon and if they pay tribute, usually to the security services, that is their benefactor, there so-called krisha, their roof, which means protection. so business and government are intertwined in russia. it's inconceivable that this project could move forward without the kremlin knowing about it. >> what does all of this mean for putin as he travels to argentina for the g-20?