I would have thought if you were a businessman in Russia and didn't have ties you would be a nobody....Hopefully Steinberg has links to the White House.
The Kremlinis a building complex in Russiathat is the official residence of the Russian president, and by extension is essentially the government headquarters. In at least Western media, "Kremlin" is used to mean "the Soviet/Russian government," like "the White House" or "Washington" is used to refer to the US