Obama has not just backpedaled from his campaign commitments to renegotiate the North American Free Trade Agreement (NAFTA). He has ended up expanding the accord which will remove even more checks and balances on the exchange of capital, services, and goods.
Obama's Cairo speech shifted the discourse, away from justifying reckless imperial hubris, unilateralism and militarism and towards a more cooperative and potentially even internationalist approach. It is the task of people across the US to mobilise and turn that new language into new policies.
It wasn’t the events of September 11th that changed the world, but the events of September 12th and beyond, when the Bush administration took the world to war in response; that changed the world, and continues to threaten U.S. and global security, and shred U.S. democracy.