All The President's Men

Here is what Alan Foley, the head of the CIA's Weapons Intelligence Non-Proliferation and Arms Control Center (WINPAC), told his senior staff in December 2002:

"If the president wants to go to war, our job is to find the intelligence to allow him to do so."

WINPAC led the CIA's analysis of Iraq's purported WMD, and so Foley is at the very center of what happened. More at A Tiny Revolution.