9 Funniest People on the White House Tour

President Obama and First Lady Michelle delighted White House visitors recently with a surprise meet-and-greet. The White House live streamed the ho-hum-turned-awesome tour and captured the sightseers' wonderful reactions.

Turns out an unexpected appearance by the commander-in-chief can send regular folks to tears or goofy giggle fits.

BONUS: 2012: Obama's Year in Photos

Image courtesy of White House/Pete Souza

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