Mr Moe says that, under a unicameral system, Minnesotans would have only one representative in their district to call for help.

ECONOMIST: State legislatures

MPs of both parties for a part-elected upper house, has said in a thoughtful pamphlet that careful design could prevent Britain from moving all the way from its existing near-unicameral system right over to the American extreme of bicameral gridlock.

ECONOMIST: And here are your chosen (by us) representatives