Another Sunday, another appearance by Senator John McCain, another bunch of Benghazi nonsense. David Gregory put a straightforward question on the table and Senator McCain just did not like that one bit. Gregory asked, in essence, why they're continuing to beat the dead Benghazi horse to death, even going to the extreme of holding up a cabinet nomination when Chuck Hagel has absolutely nothing to do with Benghazi!

McCain's first round of answers is a litany of irrelevant details, followed by the allegation of a "massive coverup." When Gregory pressed his original question again, McGrumpy got a little bit testy, asking Gregory whether "he cared that four Americans died in Benghazi."

For McCain, it boils down to this question: "What did the president do and who did he talk to the night of the attack on Benghazi?" And if you let him ramble on further, he will go on to suggest that the details of the Benghazi were covered up in order to bolster President Obama's campaign in the last two weeks, because surely Romney would have won if the truth had been out there, right?

A careful listen to McCain's list of unanswered questions reveals that they don't amount to any kind of "coverup," particularly when he misstates facts such as what the president said during the debate with Romney, and what has transpired since.

Perhaps the followup question for John McCain here is whether he cared about getting to the bottom of why 3,000 Americans died on September 11, 2001, or why over 4,000 Americans died in Iraq in a quest for weapons of mass destruction which never existed? In particular, why doesn't he care about all of those soldiers who gave their lives in Iraq because Bush and his cronies lied to the American people, the United Nations, and the world?

McCain is just a mean, bitter, spiteful man going on Sunday television to continue to be mean, bitter and spiteful in public. Even though Gregory at least didn't give him a pass on his allegations of a coverup, the larger question is why bookers continue to put this man on Sunday commentary shows week after week after week.

As for Benghazi, McCain's outburst directed at David Gregory proves what thinking people already know: There is no "there" there.