Nightly News | February 07, 2012
>>> and while president obama kicked off the white house science fair today with a big congratulations to the giant, followed by his pitch for a huge initiative to train more math and science teacher, what happened next reminded us of that old saying, don't bring a marshmallow launcher to the white house unless you intend to use it. well, that's exactly what the president did with this young man's science project . launching one right past the secret service , past a window and into a nearby wall. the president said the students and their science projects were an inspiration. well, the frivolity continued in the east week. jimmy fallon in a physical challenge with michelle obama . it was to celebrate her physical fitness challenged called let's move. the challenge and crowning of the winner will air on jimmy's show tonight on nbc.