A man walked into a kebab shop and was surprised to see Father Christmas serving behind the counter. "Santa!" he said. "What are you doing working here? Shouldn't you be up at the North Pole preparing for the big day?" Santa let out a long sigh. He had really fallen on hard times. The red suit was splattered with chilli sauce and bits of lettuce, his apron was a mess, and he looked as if the last thing in the world he wanted to be doing was serving kebabs. Eventually he admitted: "I'm afraid my …