"That is why America cannot turn inward. That is why Europe cannot turn inward. America has no better partner than Europe. Now is the time to build new bridges across the globe as strong as the one that bound us across the Atlantic. Now is the time to join together, through constant cooperation, strong institutions, shared sacrifice, and a global commitment to progress, to meet the challenges of the 21st century. It was this spirit that led airlift planes to appear in the sky above our heads, and people to assemble where we stand today. And this is the moment when our nations - and all nations - must summon that spirit anew."
-Barack Obama, Berlin, July 2008 (more here)