Debate boost for Ed… but will it last?

A poll by Survation for the Daily Mirror says Ed Miliband’s net approval ratings have risen 8.1 per cent over the course of the leaders’ debates and interviews (ie. over the past ten days).

But, as Channel 4 News Political Editor Gary Gibbon pointed out in the debate spin room on Thursday evening, the Conservatives are hoping there is still long enough until the election for any debate “bounce” to wear off…