A lobbyist was on his way home from Parliament when he got stuck in a huge traffic jam. Seeing a policeman picking his way through the cars he wound down his window and asked him what the hold-up was. "It's the Prime Minister," said the constable. "He's stopped his motorcade and he's shouting about being so depressed by the economic crisis. He says he's so worried he'll never get us out of it. He even threatened to douse himself in petrol and set himself alight, so, naturally, everyone is chipping in to a collection to help him out." "Oh, that's a wonderful idea," said the lobbyist reaching for his wallet. "How much have you collected so far?" The policeman replied, "about 40 gallons but some people are still siphoning."