The key issue is not who is in charge but what. Russia's problem is constitutional. There is no division of powers. The judges, the police, and the legislature all work for the same people, and there is essentially no trial by jury. As a result, anyone can be arrested and accused of anything, and conviction is almost guaranteed.
Snowden and NSA leaders should be brought together face-to-face for questioning in public by a congressional investigatory committee, with both parties allowed to make their points and to counter the assertions of the other. If Snowden is lying, it will come out. If the NSA is lying, it will come out.
Economic growth must be the central issue because it is only through growth that the devastating threat of national bankruptcy can be averted. Furthermore, it is only by reviving American economic growth that the West's global predominance can be sustained, and peace and freedom kept secure around the world.