"I'm writing this on the plane back from Canberra," I was going to write, "where I've spent the last couple of days hobnobbing with the high and mighty." That was two weeks ago, but of course on the plane back I promptly fell asleep, not so much from hobnobbing but simply from a packed two-day programme which had started with a 5.15 a.m. flight out of Brisbane on Tuesday 28 March. So, here's a belated follow-up on my trip to the "Expanding Horizons" event which the Council for the Humanities, Arts, and Social Sciences had organised...