An American parliamentary system with proportional representation wouldn't immediately or inexorably lead to a flourishing social democracy, but it would at least correct the overrepresentation of an ideological minority and cut down on intentional tactical economic sabotage.

Your eyebrows should be proportional to your face. If they're too overwhelming, it doesn't work.

I've advocated a proportional tax system. You make $10 billion, you pay a billion. You make $10, you pay one. And everybody gets treated the same way.

You get stared at the whole time. I first noticed that when I was about 13. I was very shy. Being considered beautiful, I always felt that people were waiting for something more. I imagined you were supposed to have an intellectual ability - and I'm making no claims here - proportional to your supposed good looks.

There is no proportional representation requirement in the Equal Protection Clause.

We have a Scottish Parliament and National Assembly for Wales, both elected by fairer votes - involving proportional representation.