"Much of the rest of the speech fed the illusion that we could solve our problems if only people mystically come together. We should help Israelis and Palestinians unite. We should unite to prevent genocide in Darfur. We should unite so the Iranians won’t develop nukes. Or as Obama put it: 'The walls between races and tribes, natives and immigrants, Christian and Muslim and Jew cannot stand. These now are the walls we must tear down.'... Obama has benefited from a week of good images. But substantively, optimism without reality isn’t eloquence. It’s just Disney."