U.S. President Barack Obama and Melinda Gates visit a classroom at TechBoston Academy in Boston

 
U.S. President Barack Obama and Melinda Gates visit a classroom at TechBoston Academy in Boston
U.S. President Barack Obama and Melinda Gates, the wife of Bill Gates, visit a classroom at TechBoston Academy in Boston, March 8, 2011. REUTERS/Jim Young (UNITED STATES - Tags: POLITICS EDUCATION BUSINESS)