In 2008 Barack Obama, the first black candidate for the presidency of the United States, held a speech in the German capital, Berlin, in front of thousands of people. In those days Obama was a superstar. With the power of his words and the message of hope that he spread throughout America and the world, he conquered the hearts of millions of people who believed that he would bring change and, most importantly, that he would be different, completely different from his predecessor. Many believed that Obama would inaugurate an era of peace, economic prosperity, and international co-operation. I felt privileged for having the chance to take part in that historic event. I remember how, in the late afternoon of July 24, I and a friend of mine joined the crowds of people who flooded the 17th of June Street in the centre of the German capital. That street was named after the uprising of 17 June, 1953, during which East German workers took to the streets to protest against the economic pol...