President Barack Obama shakes hands as he arrives to speak at the Amazon fulfillment center in Chattanooga, Tenn., Tuesday, July 30, 2013. Obama came to Chattanooga to give the first in

 

              President Barack Obama shakes hands as he arrives to speak at the Amazon fulfillment center in Chattanooga, Tenn., Tuesday, July 30, 2013. Obama came to Chattanooga to give the first in
President Barack Obama shakes hands as he arrives to speak at the Amazon fulfillment center in Chattanooga, Tenn., Tuesday, July 30, 2013. Obama came to Chattanooga to give the first in a series of policy speeches on his proposals for private sector job growth and to strengthen the manufacturing sector. (AP Photo/Susan Walsh)