President Barack Obama speaks during the presidential inauguration
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Inauguration: Barack Obama defines four year mission

Hundreds of thousands of people crammed the streets of Washington DC to witness the public swearing in of President Obama.

After taking the oath of office, he said America's possibilities were limitless as it emerged from a decade of war and a long economic crisis.

Mark Mardell reports.

  • 21 Jan 2013
Go to next video: Obama's inaugural address in full