U.S. President Barack Obama holds a chart showing declining U.S. dependence on foreign oil as he speaks about energy during a visit to Nashua Community College in Nashua

 
U.S. President Barack Obama holds a chart showing declining U.S. dependence on foreign oil as he speaks about energy during a visit to Nashua Community College in Nashua
U.S. President Barack Obama holds a chart showing declining U.S. dependence on foreign oil as he speaks about energy during a visit to Nashua Community College in Nashua, New Hampshire March 1, 2012. REUTERS/Kevin Lamarque