S. Global Leadership: Priorities for the 21 st Century,” Letter
from BarackObama (Washington, DC: The White House, January 3, 2012), http://archive.defense
DescriptionP021914PS-1025 (13898117288).jpg President BarackObamameets with President Enrique Peña Nieto of Mexico and Prime Minister StephenHarper of Canada, at the Palacio