2012: Path to the Presidency (175 images)

Elizabeth Garcia from Miami, a supporter of President Obama cheers before former President Bill Clinton delivers remarks during his first stop of his Florida tour to speak to grassroots supporters at Florida International University, Miami, Florida on September 11, 2012. UPI/Gary I Rothstein.

President Obama campaign buttons on sale to supporters before listening to former President Bill Clinton deliver remarks during his first stop of his Florida tour to speak to grassroots supporters at Florida International University, Miami, Florida on September 11, 2012. UPI/Gary I Rothstein.

Vice President Joseph Biden pauses and reflects following the placing of a wreath as a Marine stands at attention at the Flight 93 National Memorial on September 11, 2012 near Shanksville, PA. This is the 11th anniversary of the terrorist attack against the United States. UPI/Archie Carpenter

President Barack Obama flanked by Secretary of Defense Leon Panetta (L) commemorates the 11th anniversary of the 9-11 attacks during a ceremony at the Pentagon, on September, 11, 2012 in Arlington, Virginia. UPI/Olivier Douliery/Pool