Until recently, over 98 percent of teachers just got one word of feedback: Satisfactory. If all my bridge coach ever told me was that I was 'satisfactory,' I would have no hope of ever getting better.

America's high schools are obsolete. By obsolete, I don't just mean that they're broken, flawed, or underfunded, though a case could be made for every one of those points. By obsolete, I mean our high schools-even when they're working as designed-cannot teach all our students what they need to know today.

I definitely think leaving kids massive amounts of money is not a favor to them.

Just in terms of allocation of time resources, religion is not very efficient. There's a lot more I could be doing on a Sunday morning.

The only thing I understand deeply, because in my teens I was thinking about it, and every year of my life, is software. So I'll never be hands-on on anything except software.

Ninety percent of the cases of polio are in security-vulnerable areas.

Exposure to the reproductions [of Corbis-owned fine art photographs] is likely to increase rather than diminish reverence for the real art and encourage more people to get out to museums and galleries.