The idea that computers can ever replace teachers and schools reveals a deep lack of understanding about the role leadership plays in student success.

While I started out with a vague understanding that diversity would be important, my own observations have led me to realize that achieving greater levels of diversity is in fact vital to our long-term success.

We're not trying to be the only route into teaching. We do put enormous energy into understanding what differentiates the most successful teachers.

Technology has enormous potential to address educational needs more efficiently, help teachers improve their performance, and enrich and individualize student learning.

Because President Obama had an overall strategy, military and civilian leaders under his command could make reactive decisions that advanced the president's goals. In the military, we call that commander's intent: When there's a decision to be made and you don't have exact guidance at that moment, you at least know overall what your boss wants.

Over the generations, black leaders have ranged from noble souls to shameless charlatans.

Not long ago, women in Afghanistan were required by Taliban leadership to be covered nearly head-to-toe and were barely allowed to leave the home; that young Afghan women today are not only accessing an education but are able to meet young people from around the world and cheer on a robot of their own making is something beautiful.

As the leader of the Bullet Club, I can't slow down now. I am an example for everybody who thought just slapping the Bullet Club logo on you would define your career.