I think he is a very fine man and is an honest man particularly compared to the other 534 folks he is in the same building with.
But, I think he sometimes confuses his blind and way overblown respect for The Senate with reality.
Specifically, I think he knows what an all time STORM prosecuting HIllary would be and he just does not have the steel in his spine to do it.
I kind of agree.
That and I dont think Trump wants to prosecute her either.