1. Mistreated their own people
2. Make decisions based on popularity.
3. Act irrationally in difficult times.
4. Harbored anger toward others.
5. Sought power out of insecurity.
6. Project an infallible image.
7. Blinded by his ego.
To improve your character and build a solid foundation of your own leadership,
1. Identify where you're weak or have taken shortcuts.
2. Look for patterns.
3. Apologize to those you've wronged.
4. Stay teachable and rebuild.