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The Big Story
Michelle Rhee sparked lots of emotional fires as chancellor of the Washington, D.C., school system. Now the firebrand is taking her education ideas to a national level.
November 29, 2012, 3:00 AM PST | By Christina Hernandez Sherwood
Award-winning environmentalist Ma Jun chastens multinational companies and fights pollution in China using the most powerful tool he knows: information.
November 20, 2012, 5:10 AM PST | By Jason Dearen