In Scotland, Wales and the London Assembly elections every voter has TWO choices this Thursday. Here’s how to use both votes well

Voters are used to a two-vote electoral system for the Edinburgh Parliament, and the Assemblies in Cardiff and London. But how these systems operate changes a bit every time, with changing party fortunes. And this year some politicians (especially in Scotland) are advising voters to do things that may ‘waste’ one of their votes. Wherever you stand politically, Professor Patrick Dunleavy explains how to use both your votes so as to achieve more of what you want.