Sad to say, you have a point... if we cleared out all the corrupt, those who lie, the bullies, and so forth, there would probably be few left!
Yep. Ain't it a nice picture? If they could be replaced by real Americans willing to give up their own business for a term or two before going back home to live under the laws they passed, we would have the kind of representation intended by the designers of our form of government.
It'll never happen as long as we have political parties in charge of the electoral process. The main qualifications for office today are ambition, disdain for the Constitution and moral retardation.