Open Secrets

Someone explain this to me. The left is absolutely incensed with Bush leaking part of a National Intelligence Estimate (NIE) regarding Iraq seeking uranium. If the issue as to whether Iraq was seeking uranium was so sensitive, why is it then, that they had absolutely no problem with the CIA sending Joe Wilson, a non-employee, to investigate it, did not require him to sign an NDA, and then allowed him to write about it in the New York Times? I know that not that many people read the New York Times anymore, but it was bound to "leak" out somehow...