White House Christmases through the years

First lady Michelle Obama and the first family's Portuguese Water Dog, Bo, leave the State Dining Room after an event to preview the 2012 White House holiday decorations Nov. 28, 2012 at the White House, in Washington. The first lady welcomed military families, including Gold Star and Blue Star parents, spouses and children, to the White House for the first viewing of the 2012 holiday decorations. The theme for the White House Christmas 2012 is "Joy to All."

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