Which is hardest?  Writing the book or working out what the hell to pack for six weeks on the road promoting it?  I am coming to see the deep attraction of a nun's habit, although of course they don't get to go on the road.  At the South Bank concert in London last week many of audience thought the wonderful choir of singers WERE nuns. Obviously that  outfit has a powerful effect on people.  At the start of a tour you absolutely DO NOT WANT TO GO. Then you sit on the plane and watch London getti