Does the Sun's switch in support matter? No, is the short answer. The media's power is vastly overestimated both by politicians and, of course, journalists, but also by ideologues from all sides who blame the defeat of their hopes on the power of

Much commentary has been spent on the prospect of pre-election debates between the three party leaders, although I can't see why Nick Clegg has to be included since he has no prospects of occupying the highest office.

Who should