President Barack Obama walks up the stairs of Air Force One before departing at Andrews Air Force Base, Md. on Thursday, Nov. 18, 2010. Obama is traveling to Lisbon, Portugal, for this week's NATO and... more 
President Barack Obama walks up the stairs of Air Force One before departing at Andrews Air Force Base, Md. on Thursday, Nov. 18, 2010. Obama is traveling to Lisbon, Portugal, for this week's NATO and United States-European Union summit meetings. less 
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Associated Press | Photo By Jose Luis Magana
Fri, Nov 19, 2010 6:28 AM EST