While we’re on the subject one of the best ways to implement prop-rep is called mixed-member voting: http://en.wikipedia.org/wiki/Mixed-member_proportional htt

While we’re on the subject one of the best ways to implement prop-rep is called mixed-member voting: http://en.wikipedia.org/wiki/Mixed-member_proportional http://en.wikipedia.org/wiki/Mixed-member_proportional M–M voting preserves individual districts, but it eliminates the effects of gerrymandering by using extra seats to make up for any discrepancy between the proportion of districts a party won vs the number of votes. Gerrymandering is, of course, a huge problem in the US, and M–M voting offers a way to kill two birds with one stone, so to speak.