If one is talking to a finance minister of a poor country, moral arguments tend not to get very far. But if you can argue that their country is going to grow 2 percent faster per year if they can just harness the power of the female half of the population more effectively, that is an argument they consider.

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

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.

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

The intelligence community is so vast that more people have top secret clearance than live in Washington. The U.S. will spend more on the war in Afghanistan this year, adjusting for inflation, than we spent on the Revolutionary War, the War of 1812, the Mexican-American War, the Civil War and the Spanish-American War combined.

The photos were taken by African Union soldiers. People in Congress saw them. I thought if people could see them, there would be public outcry. No one would be able to say, We just didn't know what was going on there.

If you just try to make rational arguments about why people should care about Congo and how 5 million people have died, then people tend not to be receptive. But once you've created a connection of empathy, rational arguments can play a supportive role.