Andrew Hudgins is a prominent poet, but what he'd really rather be doing is telling jokes — the more daring, the better. His new memoir, The Joker, explores the way uncomfortable and taboo jokes create learning and communication, and the important role they've played in his life.

In this week's Not My Job segment, we ask Nik Wallenda, a man who crossed Niagara Falls on a tightrope, three questions about examples of extreme clumsiness on the job.