Barack Obama, Lewis Hamilton break race barriers in politics, motorsports in historic week

Associated Press photosLewis Hamilton (above) is the first black Formula 1 champion. Barack Obama (right) is the first black person to be elected U.S. president.More than 40 years ago, Dr. Martin Luther King, Jr. gave his famous “I Have a Dream” speech, and expressed the wish that everyone in the world could judge people by the content of their character, and not by the color of their skin.At the