The story of a rope, a symbol, and rough justice in America. The hangman's knot is a simple thing to tie, just a rope carefully coiled around itself up to thirteen times. But in those thirteen turns lie a powerful symbol, one that is all too deeply connected to America's past -- and present. The last man to be hanged in the United States was Billy Bailey, who was executed in Delaware in 1996 for committing a double murder. Even...