AOL.com Video - President Obama Takes Oath Of Office

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President Obama Takes Oath Of Office

Description:President Barack Obama is promising to uphold the Constitution in a public swearing in ceremony that signals the beginning of his second term in office. Placing his hand on two Bibles -- one used by President Abraham Lincoln at his first Inauguration and one used by the Reverend Dr. Martin Luther King, Jr. -- Obama took a public oath of office on Monday, after he was sworn in during a private ceremony on Sunday. The Constitution requires presidential terms to begin on Jan. 20. (1:13)

Source: WGN

Tags: Barack Obama , inauguration day , oath of office , Obama Inauguration