Leader: Are Your Meetings Straight Out of A Dilbert Comic Strip?

My observation is that only a minority of leaders (managers, supervisors, executives, project managers) understand how to properly prepare a team for and run an effective, purposeful and productive meeting. Ironically, look at the Outlook calendars of most people operating inside corporate walls, and their schedules are filled with one meeting after another. With all of these unproductive meetings to attend, who has time to work?