U.S. President Barack Obama speaks during his news conference at the NATO Summit in Lisbon, Portugal, Saturday, Nov. 20, 2010. Obama welcomed Russia's pledge to work with NATO on efforts to build a ... more 
U.S. President Barack Obama speaks during his news conference at the NATO Summit in Lisbon, Portugal, Saturday, Nov. 20, 2010. Obama welcomed Russia's pledge to work with NATO on efforts to build a missile-defense system to protect Europe against a possible missile attack, saying it turns a "source of past tension into a source shared cooperation." less 
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Associated Press | Photo By Pablo Martinez Monsivais
Tue, Nov 23, 2010 7:32 AM EST