For those of you keeping score, none of the individuals who engaged in or authorized the waterboarding of terror suspects have been prosecuted, but Mr. Kiriakou is in federal cross hairs, accused of talking to journalists and news organizations, including The New York Times.

Mr. Tapper said that he had not planned on raising the issue, but hearing Mr. Carney echo the praise for reporters who dug deep to bring out the truth elsewhere got his attention.

“I have been following all of these case, and it’s not like they are instances of government employees leaking the location of secret nuclear sites,” Mr. Tapper said. “These are classic whistle-blower cases that dealt with questionable behavior by government officials or its agents acting in the name of protecting America.”

Mr. Carney said in the briefing that he felt it was appropriate “to honor and praise the bravery” of Ms. Colvin and Mr. Shadid, but he did not really engage Mr. Tapper’s broader question, saying he could not go into information about specific cases. He did not respond to an e-mail message seeking comment.

In one of the more remarkable examples of the administration’s aggressive approach, Thomas A. Drake, a former employee of the National Security Agency, was prosecuted under the Espionage Act last year and faced a possible 35 years in prison.

His crime? When his agency was about to spend hundreds of millions of dollars on a software program bought from the private sector intended to monitor digital data, he spoke with a reporter at The Baltimore Sun. He suggested an internally developed program that cost significantly less would be more effective and not violate privacy in the way the product from the vendor would. (He turned out to be right, by the way.)