Ronan Farrow

Pope Francis has stressed humility and austerity - a far cry, according to many, from the predecessor's bling and Ferragamo shoes - those were pretty entertaining. And he's translating all of that into a policy agenda.

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.