Watch President Obama’s inauguration LIVE

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Today, before hundreds of thousand of people gathered in the nation’s capitol and those at home, President Obama takes his public oath of office on this Martin Luther King, Jr. Day.

He’ll use two stacked bibles – one from Abraham Lincoln, the other from Martin Luther King, Jr.

Watch the public ceremony LIVE by clicking here.

On Sunday, as constitutionally mandated, President Obama was formally sworn in, in a private ceremony.

Barack Obama sworn in for second term