Vice President Joe Biden and his wife Jill listen to President Obama deliver his final presidential speech to the nation on January 10, 2017 in Chicago, Illinois.
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Obama Offers Optimism -- And Warnings -- In Farewell Address
Popular but politically humbled, President Barack Obama said goodbye to the nation Tuesday night, declaring during his farewell address that he hasn't abandoned his vision of progressive change but warning that it now comes with a new set of caveats.
