Many women stand beside their man while he is making a speech and say nothing. Trump's comment says much about Trump .. and about those who continue to support the man who, on the facts, lies much more than Hillary does.
On Benghazi, this of PolitiFacts has more in it than yours.
With particular focus on 'a lie is told when someone knows what they are saying is not true', or lie by deliberate omission et al, i believe to be fair to all the conclusion of that one is a good one.