Winston Churchill and the Bodyguard of Lies

It was pointed out to me by an online acquaintance that Churchill did, in fact, make a comment very similar to the one attributed to him below. At the Teheran Conference in 1943, he is quoted in the minutes of the meeting as stating that "truth deserves a bodyguard of lies." A facsimile of the minutes is available here. It's the very last sentence in the third full paragraph (which begins THE PRIME MINISTER). Kudos to Luke@M*U*S*H for pointing this out.