This issue has nothing to do with Constitutional legality. This issue has to do with whether an elected official should remain as such without a modicum of moral integrity.
Didn’t Ted Kennedy kill a girl a few years back? Perhaps you should worry about that.
If you live in South Carolina and have the opportunity, vote the guy out of office, do it.
If you live in Mississippi...it's not your business. Or the Feds business.
Is he immoral...absolutely. It is a soap opera. I live in Texas. My vote would not count.
Do you really want the Feds to have that kind of control?