Sen. Bob Corker, R-Tenn., chairman of the Senate Foreign Relations Committee: "The shame of it is there's a really good national security team in place and there are good, productive things that are under way through them and through others," Corker said. "But the chaos that is being created by the lack of discipline -- it's creating an environment that I think makes -- it creates a worrisome environment." http://www.foxnews.com/politics/2017/05/15/white-house-denies-report-trump-revealed-classified-info-about-isis-to-russians.html

The proof of burden is on the WH to demonstrate that nothing of value was said. A 60 sec press brief does not accomplish this. What this does is create a position where our actual allies will no longer trust us with the information that we need to conduct anti-terrorism operations. It is up to the administration to demonstrate it can responsibly protect sources.