I’m have returned to California to attend Sun’s top technology conference, and I shall be travelling on to Menlo Park and visit Sun’s campus for the Sun Labs Open House. Once again, I have failed to improve my mind on the plane and instead of watching Al Gore’s “An Inconvenient Truth”, I watched “Shut up & Sing”, a documentary about the Dixie Chicks. They are not a band I’d listened to before, but I did read about the furore created when they stated on stage that they didn’t approve of all the policies being pursued by a certain American politician. …