This combination of photos shows author Jesmyn Ward at the 68th National Book Awards Ceremony and Benefit Dinner in New York on Nov. 15, 2017, left, and cover art for Ward's novel "Let Us Descend." ...

For Carnegie, the answer was clear: We hire talented people and empower them. This wasn't about relinquishing control; it was about liberating himself to steer his business toward bigger goals.