This is disgusting. Snowden lost any legitimacy he may have had as a whistle-blower when he started exposing the unquestionably legitimate foreign intelligence activities and capabilities of the United States. You have to be naive to think the Russians are harboring him without something in exchange: even more information about our foreign intelligence activities. This traitor's bust does not belong among the remains…
Other than the publicity win of playing host to the biggest thorn in your arch rivals side?
If you intend to say that he gave/gives material information directly to FSB, I'll need to see a source.