Marshmallows Away! Obama Tests New Air Cannon

President tries out 14-year-old's invention at White House science fair.
0:54 | 02/07/12

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Transcript for Marshmallows Away! Obama Tests New Air Cannon
For what Joseph where -- brought. Arizona. Reporters out. Phoenix. So this is an air what. -- Hear him of what would we -- for. -- -- Particularly demonstrate. Our goods and not -- should mark. Aren't so -- it would like the wall. Would expect. Let's try it is it is fully operational -- do. -- -- -- That's lower profit. -- -- but it. -- the quality -- what was -- this is great. -- -- I'm happy about it. Moment of of of them look. -- -- -- Of credit. Ago. -- -- -- -- The fate of this sensitive about the. And I think it's -- How well let's look at it let's go look at -- penalty.

This transcript has been automatically generated and may not be 100% accurate.

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