If you haven't been reading Andrew Sullivan lately, do it. He's been covering the Downing Street Memo story. Here's a quote he points to and I'll bet you can't name the source:
Your government has unmistakable confidence in your ability to hear the worst, without flinching or losing heart. You must, in turn, have complete confidence that your government is keeping nothing from you except information that will help the enemy in his attempt to destroy us.