The electoral system is the big issue, obviously, and there is room for certain compromises. When we start to talk about systems that move us towards proportionality, there is room to hedge that in various ways so that it's not the full-fledged proportional representation. There are ways to make it a little less so, to make it more palatable to those who are sort of opposed to that idea.
At the same time, a lot of these other ideas are a bit of a hodgepodge. Voter turnout is a fairly complex issue, and there are definitely some interesting ideas that have been bandied about. It's a tough one, and you don't want to be too hasty in moving ahead on that front.
Coming back to the lowering of the voting age, I do think that's one that has a lot of merit and should really be given serious thought.