This 13 second video clip is the one moment from last night the Tories will be playing again and again until polling day. Listen to those titters in the audience and that collective sharp intake of breath as Miliband insists the last Labour government didn’t overspend:

Tonight, Ed Miliband refused once more to accept that Labour overspent. He'd do it again. #BBCQT #JustNotUpToIthttps://t.co/RoV2CE5XNn

— Conservatives (@Conservatives) April 30, 2015

No further questions m’lud…