President Donald Trump and the first lady Melania Trump dance at the Liberty Ball, the first of three Friday evening, at the Washington, D.C. Convention Center.
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Homeland Security Secretary Jeh Johnson and other law enforcement officials taking part in security preparations for Inauguration Day hold a briefing on Friday. Authorities have planned for many contingencies, Johnson says.
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President Obama is officially sworn in Sunday by Chief Justice John Roberts in the Blue Room of the White House. Next to Obama are first lady Michelle Obama, holding the Robinson Family Bible, and their daughters, Malia and Sasha.