“Consequently, citizen legislators, rotating back to their communities after a short period of public service—considered an indispensable and routine characteristic and design of representative government at the time of the founding, and for a century thereafter—have been replaced with a professional ruling class led by governing masterminds. For the most part, they are isolated from the communities from which they hail and are consumed with the daily jockeying for position and power within their ranks. Moreover, they both pander to and lord over their constituents.”