Well, he must have thought something he did was illegal-he pleaded guilty to disturbing the peace in order to sweep the entire thing under the rug!
The fact is that as a U.S. Senator, he should have the good grace to just leave quietly instead of embarrassing his entire State!
This is your opinion, which is fine, but that doesn't make it a fact. You don't KNOW why he did it, you are simply speculating.
susie