WASHINGTON, DC - MARCH 19: (L-R) House Science, Space and Technology Committee Chairman Lamar Smith (R-TX) (L) looks over some data with White House Office of Science and Technology Policy Director ... more 
WASHINGTON, DC - MARCH 19: (L-R) House Science, Space and Technology Committee Chairman Lamar Smith (R-TX) (L) looks over some data with White House Office of Science and Technology Policy Director John Holdren before a hearing in the Rayburn House Office Building on Capitol Hill March 19, 2013 in Washington, DC. The committee asked government and military experts about efforts to track and mitigate asteroids, meteors and other "near-Earth objects." (Photo by Chip Somodevilla/Getty Images) less 
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Getty Images | Photo By Chip Somodevilla / Getty Images
Tue, Mar 19, 2013 11:54 AM EDT