Nightly News   |  October 11, 2011

Michelle Obama attempts jumping-jack record

First lady Michelle Obama is aiming for a world jumping-jacks record Tuesday. NBC’s Brian Williams reports.

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This content comes from a Full-Text Transcript of the program.

You're about to see a couple of firsts here: the first lady Michelle Obama and the first ever group jumping jack attempt in the backyard of the White House . It's part of her effort to get kids fit. It was led by our friend Al Roker , hosted by National Geographic Kids . Four hundred kids jumped their hearts out, part of a global effort to break the world record for the most people doing jumping jacks across the globe at once.