Read the article of the thread that you are currently posting in, stop asking stupid questions about Trayvon Martin, and perhaps you’ll have an answer to your question.
The Benghazi debacle had three components: 1. The refusal to send more security when the ambassador asked for it. 2. The inaction of the administration in a time of crisis, INCLUDING THE ORDER TO STAND DOWN. 3. The lying about the video afterwards. Go ahead, show me where McCain screwed up in any of those three, and don't say read the article, show me where.
The congresscritter said something foolish, it doesn't mean you have to continue in the same manner.