Nine upper houses are analyzed in this book: the United States Senate, the German Bundesrat, the Australian Senate, the Canadian Senate, the French S nat, the British House of Lords, the Italian Senato, the Spanish Senado, and the Polish Senat. Although about a third of the world parliaments are bicameral, bicameralism has only recently come under scrutiny by political leaders in both stable and emerging democracies. In the United Kingdom and Canada,...