It seems flabbergastingly improbable that President George W. Bush learned of the National Intelligence Estimate concerning Iranian nuclear ambitions only a few days before the rest of us did, but the haplessness of his demeanor suggested that he might, in fact, have been telling the truth. After all, had the administration known for any appreciable length of time that the mullahs had hit the pause button on their program in late 2003, it would have been in a position to make a claim that is quite probably true, namely, that our overthrow of Saddam Hussein had impressed the Iranians in...