“[Mark] Felt was, some people say he was the key, some people say he was irrelevant, he was another source. But what was important, as I mentioned if you read Katherine Graham’s memoirs or Ben Bradlee’s, they knew they did not ask for the identity, they knew we had a secret source in the government, in a sensitive position in the executive branch, and that gave them great comfort, and I think it’s quite possible some of these stories wouldn’t have got in the paper or wouldn’t have got in the paper as soon as they did.” - Bob Woodward