Their hands are tied by the powerful lobbies that have sponsored their campaigns. You really think that, say, the pharma industry's lobbyists are going to inve

Their hands are tied by the powerful lobbies that have sponsored their campaigns. You really think that, say, the pharma industry's lobbyists are going to invest resources in opposing, say, reform of gerrymandering, or of alternative voting systems? I'd say it's a LOT more likely that the obstacle is the politicians themselves, because the emergent behavior of the status quo is that it insulates incumbents from competition.