just like papa joe stalin

Dubya can purge with the best of them.

Key transgression at the CIA appears to be requiring evidence before forming any conclusions. After all, what are "analysts" for if not to tailor the data to fit the White House's presumptions? Why should foreign policy be any different from the Bush Administration's approach to science:

The FDA has kicked a prominent drug safety expert off an advisory panel for daring to draw conclusions based on evidence, rather than lobbyist literature.

Conclusion first, and then gather data to fit. Reject any data that suggests your conclusion is erroneous. Brand dissenters as un-American.