Jack Rooney thinks 80 percent of failures in business are because of leaders. Yet 80 percent of the brunt is felt by the people who can’t do anything about it. Rooney, chief executive officers of U.S. Cellular, created a company that excelled both because of its...

Jack Rooney thinks 80 percent of failures in business are because of leaders. Yet 80 percent of the brunt is felt by the people who can’t do anything about it. Rooney, chief executive officers of U.S. Cellular, created a company that excelled both because of its...