When the KGB was divided into FSB (internal) and SVR (Foreign) People were fired, not replaced with "new blood".
Vladimir Putin, who is in fact, if not in name, the new Tzar, is a former KGB Officer.
Why on Earth any one would think that people who for 3 generations have referred to the US as "the Main Adversary", would suddenly become our bestest buddies baffles the crap out of me.
British Intel put Russia back on the "Hostile Services" list in '01 or '02, right after Putin's visit
The flag may have changed but otherwise it is business as usual.