Has Barack Obama made an enemy who can sabotage his presidency? The presidency of George W. Bush began to unravel when some in high positions at the Central Intelligence Agency began waging a covert campaign against him. It began in the summer of 2003 when officials at the CIA asked the Justice department to open a criminal investigation into who had disclosed to columnist Robert Novak that Valerie Plame, wife of controversial former diplomat Joseph Wilson, worked at the CIA. The officials knew at the time the Intelligence Identities Protection Act did not apply to Ms. Plame, who'd been out...
