DULLES AIRPORT, VA – JUNE 05: Democratic presidential hopeful Sen. Barack Obama (D-IL) finishes answering questions from reporters in the airplane en route to a rally in Bristow, Virginia, June 5, 2008. Obama won enough pledged delegates in Tuesday’s primaries to capture the Democratic party’s presidential nomination over hiis rival, Sen. Hillary Clinton (D-NY). (Photo by Chip Somodevilla/Getty Images)

