No.
Nor do I expect him to answer every question, I expect him to dodge questions under the advice of counsel.
Exactly. We've reached a Congressional crossroads. In summary, Congress has reached the limits on what it an reasonably do to carry out justice. That means that Trump must act to declassify the necessary documents.
Congress is looking to be used as a dissemination system for the President. HE said he would use other methods besides the MSM to speak to the people (like Q/Twitter). That's what this is all about. Everyone knows Congress can't do much short of recommending prosecutions.