Failing to support mid-level leaders (aka “the barbell approach”): According to the authors of Danger in the Middle: Why Midlevel Managers Aren’t Ready to Lead, from Harvard Business Publishing, “Many companies recognize that they need to do a better job on middle management training. An April 2012 Harvard Business Publishing survey found that only 28 percent of organizations felt their development programs had evolved to match the changing needs of middle managers. This ‘barbell’ approach—heavy on the ends, light in the middle—has exacted a heavy price in terms of underperforming and demoralized middle managers who lack the networking, planning and team-building skills necessary to excel in the flat organizational structures that are so prevalent today.”