Obama: 'We've had ups and downs'

US President Barack Obama holds a press conference in the Brady Press Briefing Room at the White House in Washington, DC, December 20, 2013.
US President Barack Obama holds a press conference in the Brady Press Briefing Room at the White House in Washington, DC, December 20, 2013.

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    Obama: 'We've had ups and downs'

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In a year-end press conference, President Obama defends his Obamacare law and poor polling numbers.