Will Cameron's debate victory FINALLY kickstart the Tories' flat election campaign? Poll shows PM won TV showdown (and SamCam certainly looks impressed)

The Tory leader returned to the campaign trail today with a visit to Asda's headquarters in Leeds (pictured) where wife Samantha looked on from a balcony. A snap poll showed Mr Cameron judged the winner of last night's Question Time special as Labour leader Ed Miliband (right) stumbled during questions on the economy and then tripped as he left the stage.