Which Tech Billionaires Gave Back?

Feb. 11 (Bloomberg) -- On today's "Deirdre's Notebook," Deirdre Bolton reports on tech billionaire's philanthropy efforts. She speaks on Bloomberg Television's "Money Moves." (Source: Bloomberg)
Obama: President Rousseff and I Deepened Ties
51:51 - Brazilian President Dilma Rousseff visits President Barack Obama in Washington this week. They speak at a press conference. (Source: Bloomberg)
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