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Barack Obama - Wikipedia
Barack Obama | Biography, Parents, Education, Presidency, Books ...
Barack Obama - Early Life, Education & Presidency - HISTORY
Barack Obama: Biography, 44th U.S. President, Politician
Presidency of Barack Obama - Wikipedia
The Office of Barack and Michelle Obama
Barack Obama | The White House
Barack Obama Facts | Britannica
President Barack Obama | Barack Obama Presidential Library
President Barack Obama | whitehouse.gov