Eurosceptics should not defend Boris Johnson's "badly handled" Brexit deal because it is toxic with voters, a veteran Eurosceptic Tory MP has claimed.Bernard Jenkin, who admitted he was a reluctant Brexiteer ahead of the 2016 referendum, set out how Eurosceptics should look to combat Labour's EU reset as Andy Burnham mulls over dragging the UK back into the Brussels bloc. The Harwich & North Essex MP advised Eurosceptics to stop defending Boris …