First past the post – it would be a good idea

Lynton Crosby after a cabinet meeting at Downing Street. 'Who ever thought that the ­Australians (Crosby and Murdoch) would rule Britain?' writes Elizabeth Bakhurst. Photograph: Steve Back/Rex

The existing two dimensional leftwing/rightwing description is surely inadequate. A rightwing party, Ukip, drew just as many, if not more, votes from the left as it did from the right. Time for another dimension to properly describe this situation?
Martin Jeeves
Cardiff

• Many MPs were not first-past-the-post because most of them didn’t even reach it. Only 50% of the MPs, 316 of them, were elected by a majority of their constituents. Yet they now use majority voting in parliament?
Peter Emerson
Belfast

• Did anyone recognise the country described by David Cameron in Downing Street? If so, do tell, because I’d like to move there.
Derek Haselden
Ross-on-Wye, Herefordshire

• Who ever thought that the Australians (Crosby and Murdoch) would rule Britain?
Elizabeth Bakhurst
Barnet, Hertfordshire