File photo dated March 7, 2010 of U.S. President Barack Obama makes a statement regarding the Iraqi parliamentary elections, as Vice President Joe Biden listens, in the ose Garden at the White House in Washington, DC, USA, USA. Pool Former President Barack Obama endorsed Joe Biden, his two-term vice president, on Tuesday morning in the race for the White House. Choosing Joe to be my vice president was one of the best decisions I ever made, and he became a close friend. And I believe Joe has all the qualities we need in a president right now, Obama said in a video posted to Twitter. Photo by Mike Theiler/ABACAPRESS.COM