Former Presidents Barack Obama and Bill Clinton also attended the service.
In This Story: Barack Obama
Barack Obama is an American politician and attorney who served as the 44th president of the United States from 2009 to 2017. A member of the Democratic Party, Obama was the first African-American president of the United States. He previously served as a U.S. senator from Illinois from 2005 to 2008 and an Illinois state senator from 1997 to 2004.
Obama left office in January 2017 and continues to reside in Washington, D.C.