President Obama delivers his final address to the UN General Assembly. Obama warns against 'walls' in final speech to United Nations General Assembly President Obama delivered an unapologetic defense of global integration at the United Nations Tuesday, arguing that the world is more peaceful and prosperous than it's ever been. "Today, a nation ringed by walls would only imprison itself." - President Obama Watch President Obama's full speech (WhiteHouse.gov) Read Barack Obama’s Final Speech to the United Nations as President Mr. President; Mr. Secretary General; fellow delegates; ladies and gentlemen: As I address this hall as President for the final time, let me recount the progress that we’ve made these last eight years. From the depths of the greatest financial crisis of our time, we coordinated our response to avoid further catastrophe and return the global economy to growth. We’ve taken away terrorist safe havens, strengthened th...