
President Barack Obama and first lady Michelle Obama hand out Halloween candy at the White House, Saturday, Oct. 31, 2009 in Washington. Source: AP
The streets of US cities and towns were filled with zombies, vampires and worse, as children clad in sometimes-fearsome costumes went door to door in search of candy handouts in the annual ritual of "trick-or-treating."

President Barack Obama and first lady Michelle Obama hand out Halloween candy at the White House, Saturday, Oct. 31, 2009 in Washington. Source: AP

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