The eyes had it, in last night’s leadership debate. Penny Mordaunt and Rishi Sunak took turns directing to the camera a puppy-eyed gaze. Tom Tugendhat blinked manfully, as if overcome from time to time with a sense of his humble desire to serve. Kemi Badenoch blinked, too – but more in the way of someone regretting the decision to switch her specs out for contact lenses.