Activists Jeremy Heimans and Henry Timms have noticed that as the world changes, the idea of power is shifting, especially with the proliferation of social media. Who is seizing this power, and what kind of leader is best to take on this new world? Their book "New Power" explains. | Want to support 1A? Give to your local public radio station at donate.npr.org/1A and subscribe to our podcast. Have questions? Email the show at 1a@wamu.org and find us on Twitter @1a.