Stopping is the dangerous thing.

Starting again after a stop is the half-second.

I was on her left, one pace back.

I took a half-step forward, put my hand on the man’s forearm — not hers, his — and said, “Mr.

Devereaux, she’s got to get to a media thing, can I put you in front of her at one?” And I moved him.

Physically, gently, about fourteen inches, with a smile, the way you move a person, which is a thing I learned in a rehabilitation ward in Texas and which he did not feel at all.

And in the moving of him she got her start, off my cue, in the cover of the movement.