Guardian: The world leaders invited to dine by Queen Margrethe supped on turkey and mushy peas, and were serenaded by the Danish Royal Life Guards bands playing George Harrison’s Here Comes the Sun. But the bands also played Here’s That Rainy Day – which, by the end, began to seem more apt. By 10pm on Thursday, leaders from about two dozen of the world’s biggest economies had left the dinner to return to the hangar-like convention centre to try to strike a deal on climate change which …