Nate Silver is an American statistician, sabermetrician, psephologist, and writer. In March 2008, Silver established his own web site, FiveThirtyEight.com.In this NYTimes article, Barack Hussein Obama was elected the 44th president of the United States on Tuesday, November 4, 2008, sweeping away the last racial barrier in American politics with ease as the country chose him as its first black chief executive.USA Today's article says Obama's election has inspired more black candidates to run, but it hasn't resulted in more African Americans actually winning election to the Senate, the House, and the nation's governorships.In the United States, affirmative action refers to equal opportunity employment measures that Federal contractors and subcontractors are legally required to adopt.AFS-USA (formerly the American Field Service) is a leader in intercultural learning and offers international exchange programs in more than 40 countries around the world.