Timothy Garton Ash: This can be the election to change all elections. Vote Lib Dem, to make it so

Ignore siren calls for tactical voting. Keep head and heart together, and we will compel the change we need

This time, vote Liberal Democrat. Vote Liberal wherever you can. Vote Liberal as if your life depended on it. Vote Liberal if you want a transformed politics and a modern, free country with a realistic view of its place in the world. No matter if you didn't last time; no matter if you won't next time. This time: seize the chance. Take the risk.

I say this as someone who has never...