Sen. John McCain went after NBC host David Gregory for not sharing in his strong desire to find out the extent of the White House’s involvement in the attack in Benghazi that killed four Americans.

McCain also said there has been a “massive cover up.”

Here’s more from former Romney adviser Richard Grenell on Gregory’s deflection:

The media’s effort to not hold the Obama administration accountable at all for Benghazi is clear. Gregory’s just doing his part.