By Ian O’Connor He had already won three NCAA titles when he was handed a more global challenge: learn to manage superstar talent, and return the U.S. to world dominance. Adapted from Coach K, by Ian O’Connor Copyright © 2022 by Ian O’Connor. Reprinted by permission of Mariner Books, an imprint of HarperCollins Publishers. Mike Krzyzewski’s motivational techniques at Duke were never going to work with the NBA’s best at the Olympics. Elton Brand, his center with the Blue Devils in the late 1990s, remembers Coach K once challenging a Duke player to a fight. “I think he would have won,” Brand say…