The 'subject' is not about requiring you to vote for anyone. It is the misrepresentation about the facts that occurred. Double standards sure do keep appearing when it comes to Newt.
My understanding is that Newt resigned, based on his affair being revealed during the impeachment of Clinton. I recall thinking that Newt did the right thing, and I hoped that Clinton would follow his example.
I recall that another Speaker resigned for the same reason soon after.