Look, we'll have to confront the pathologies of poverty at some point. We can deal with them cheaply at the front end, in infancy. Or we can wait and jail a troubled adolescent at the tail end. To some extent, we face a choice between investing in preschools or in prisons.

Isn't it time to talk not only about weather, but also about climate?

Solar power is one of the most hopeful technologies but still produces about 0.01 percent of U.S. electricity. The U.S. allocates just $159 million for solar research per year - about what we spend in Iraq every nine hours.

America's education system has become less a ladder of opportunity than a structure to transmit inequity from one generation to the next.

American airstrikes...create risks, especially if our intelligence there is rusty. The crucial step, and the one we should apply diplomatic pressure to try to achieve, is for Maliki to step back and share power with Sunnis while accepting decentralization of government. If Maliki does all that, it may still be possible to save Iraq. Without that, airstrikes would be a further waste in a land in which we've already squandered far, far too much.

Americans of faith should try as hard to save the lives of African women as the lives of unborn fetuses.

The greatest threat to extremism isn't drones firing missiles, but girls reading books.