One of the Hertie School’s first graduates is on the humanitarian front lines in the Middle East. “I walked 20 kilometres yesterday and it was wonderful…even in the freezing cold,” says Rizwan Bajwa, extracting a pair of trainers from his backpack and removing his black oxfords. On a late November day, Rizwan was in Berlin to speak with students at the Hertie School on a brief sojourn from the milder climes of Damascus, where, he says, it’s unwise to stray far from the hotel