Berliners spent the whole day trying to catch a glimpse of Barack Obama. The rumor that he had spent the afternoon working out at the hotel gym took on all the significance of an Elvis sighting. Until 7:21 p.m., that is. The sentences grows louder and louder; they start to drown out the applause. At the end of most of his speeches in the US, Obama tells his audience that he loves them. But in Berlin he just said "thank you." For a moment, it was plausible to think that he wanted to quickly aunch a global transformation through this...