We Get the Government We Deserve

Can someone tell me what it takes to actually vote an incumbent out? I realize Tom DeLay may be good for that district -- and of course in this country one is innocent until proven guilty (except those suspected of terrorism or disloyalty to Bush II) -- but good gawd, is this really and truly the best representation this district - or any other for that matter -- expects? It's actually better to send the indicted guy to Congress? Is it me?