Closer polls a boost to tactical voting | Letters

Vince Cable campaigning on the doorstep in Twickenham. ‘Our window poster will proclaim Greens for Vince Cable’, writes Colin Hines.The trend of vote swapping (www.swapmyvote.uk) shows that our first past the post electoral system is unfair, makes some votes worthless and others critical in marginal seats, doesn’t allow the minor parties to establish, and is in long overdue need of reform.Vote swapping is one way to make change happen.