President Obama, Sen. John Kerry and former President Bill Clinton are among the Democrat Party's names expected to speak at the Democratic National Convention in Charlotte Sept. 4-6. – Britt Middleton.
A former U.S. senator from Illinois, Barack Obama was elected president of the United States in 2008 and he is running for his second term in 2012. He is married to attorney Michelle Obama and they have two daughters, Sasha and Malia. (Photo: Jonathan Ferrey/Getty Images)