Why we're fans: The author, mentor and activist cofounded the Enough Project, a nonprofit that raises awareness of genocide and crimes against humanity.
John Prendergast looks back on a life-changing friendship
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Oprah Radio host Jean Chatzky talks with Money magazine's Craig Matters about the top five small cities to live in the United States.
Get all the suggested missions to make every Monday truly matter.
Five years ago, Hurricane Katrina wiped out the life she knew. Now Melba Leggett-Barnes has a place to call her own again--a home that's good for her and the planet.