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.

There's this notion out there - and it's a categorically false notion - that the only business model in the service industry is the minimum-wage business model. I say phooey to that. You go to a Costco store, and you see people there who've been working there for years and years. They're making $15, $20 an hour, plus health benefits.

There's a need for accepting responsibility - for a person's life and making choices that are not just ones for immediate short-term comfort. You need to make an investment, and the investment is in health and education.

Balancing the common good with the freedom and liberty to exercise that individuality has been and remains a challenge for those committed to democracy while understanding that the polis ensures our participation and therefore our citizenship.

For me, the way I go about training all of my clients is by using short bursts of interval training - it's the most effective for burning calories as well as for cardiovascular health and making you stronger.