Willie Nelson about to become fifth degree black belt Posted on April 16, 2014 | By Craig Hlavaty Country legend and Texas icon Willie Nelson could kick your butt in a fight. No, not with his trusty guitar Trigger or throwing stars strategically hidden under his cowboy hat. Nelson is due to receive his fifth degree black belt in the art of Gong Kwon Yu Sul, a modern Korean martial arts system, on April 28 at a martial arts studio in Austin, according to his publicist, Elaine Shock. The following day, the troubadour will turn 81, which should make us...