John asks:I’ve been thinking about Great Britain and the breakdown of its two party system… What led to this? Can it happen here? Does the deepening unpopularity of both parties mean it might? I know there are differences — a long standing and well established third party — Liberal Democrats, and regional parties like the Scottish National Party. But these could develop here also. And it seems like the breakdown is happening pretty fast. Our politics have often mirrored each other. Might this be our fate?Join now to continue reading.Members get exclusive analysis, bonus features and no advertising. Learn more.If you’re already a member, sign in to your account.