Both operations remain secret and unacknowledged, because of what officials said were covert-
action rules that tied their hands when it came to providing information.

Some intelligence officials said Brennan has made little substantive effort to shift more responsibility to the military. But Brennan and others described a future in which the CIA is eased out of the clandestine-killing business, and said the process will become more transparent under Defense Department oversight and disclosure rules.

“Deniable missions” are not the military norm, one official said.

Said Brennan: “I think the president always needs the ability to do things under his chief executive powers and authorities, to include covert action.” But, he added, “I think the rule should be that if we’re going to take actions overseas that result in the deaths of people, the United States should take responsibility for that.”

One official said that “for a guy whose reputation is focused on how tough he is on counterterrorism,” Brennan is “more focused than anybody in the government on the legal, ethical and transparency questions associated with all this.” By drawing so much decision-making directly into his own office, said another, he has “forced a much better process at the CIA and the Defense Department.”

Even if Obama is reelected, Brennan may not stay for another term. That means someone else is likely to be interpreting his playbook.