Five Best Ideas of the Day: February 4

1. ISIS is bringing recruits onto the battlefield faster than we can kill them.

By Tim Mack and Nancy A. Youssef in the Daily Beast

2. If body cameras become standard issue for police officers, how will we protect the privacy of people being recorded?

By Paul Rosenzweig in The Christian Science Monitor

3. A university recognizes a third gender: Neutral.

By Julie Scelfo in the New York Times

4. Can the rest of the nation — and the world — learn from one Indian state’s incredible success reducing poverty and improving quality of life?

By the World Bank

5. Want better schools? Leadership matters. Invest in high-quality professional development for school principals.

By Arianna Prothero in Education Week

The Aspen Institute is an educational and policy studies organization based in Washington, D.C.