I remember sitting in a conference room together with colleagues. Suddenly the door opens, a colleague walks in and says: ‘There has been an accident in New York, it seems a plane has hit a World Trade Center building’. Typical reactions in the room follow, how-terrible, hope-nobody-died, does-anyone-know-anyone-in-New-York, no?, let’s-move-on-with-the-meeting. We continue the meeting for…