Even if Brown signalled straight-away that he intended to bring the boys back from Iraq, (something that would be popular), he would be supported in this by the Tories, so no real advantage will come even from that. The much heralded “Brown Bounce” seems as real a prospect as a “Brown tax cut”. Left-wing voters will still remember that he wrote the cheques for the war and right-wing voters will always say it was his fault that the army was ill equipped, under-funded and over-stretched. The Brown bounce will be a dead-Lemming bounce.
Full data set (pdf) here.