Mark Zuckerberg

In college - while figuring the things out that most people do in college - I had no game. No confidence. I had Birkenstocks. And overalls. A budding romance novel addiction. But no cool. No poise. I was trying on a thousand different personalities, but a lot of them were formed by the perceptions of others.

Having a Congress with a more diverse educational and professional background would serve the country well. And given the budget challenges facing America today, we might benefit from a few more cold, calculating problem solvers, and fewer courtroom impresarios.

When people said Africa would change me, I didn't understand what they meant. To see the poverty in the townships, for instance, is overwhelming. I found it heart-wrenching to see young children walking barefoot and hungry in the dirt. I'm the kind of person who wants to change the world right here and now, so I got frustrated.