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.

The Chinese public is deeply nationalist, which matters to China's unelected political leadership as much as U.S. nationalism does to American politicians. As China becomes the world's largest economy, there is meaningful public pressure for its power status to advance in parallel. Any alternative would be humiliating.

As a businessperson, I don't have the power to change the government. That is in the hands of the political leaders. However, as a taxpayer, we have the right to be critical of the government and demand change.

President Obama started in public life not as an elected official but as a community organizer. He worked with churches and other groups on the south side of Chicago to push public leaders to fight poverty, improve the local school system and make housing more affordable, and to bring about the change the community needed and deserved.

When we see a lack of leadership coming from the White House, that's what brings leaders in Turkey to attack Israel the way they do. When we see a lack of leadership coming from the White House, that's why we see the leader of Iran... continuing to build the nuclear reactors.