Take off your bedroom slippers. Put on your marching shoes ' he said his voice rising as applause and cheers mounted. 'Shake it off. Stop complainin'. Stop grumblin'. Stop cryin'. We are going to press on. We have work to do.

Don't you stay at home of evenings? Don't you love a cushioned seat in a corner by the fireside with your slippers on your feet?

I feel fortunate I have this amazing relationship with so many people in America because I was in their homes at a very private time of day. They probably might have still had their robe on and their slippers and haven't made the beds.