Off the Lebanese coast about 60 kilometres north of Beirut a 104-metre battleship stands vertically, with her bow and some 30 metres of her length plunged into the mud. The seabed is 140 metres down, but you can even scuba-dive on the stern if you are a technical diver. The ship is a bit like Lebanon, for reasons I’ll explain later. Five years ago Lebanon still looked like a middle-class country with a lot of poor people. Now it looks like a very poor country with a few rich people. If you want the numbers, the proportion of people living below the official poverty line has gone from 30% two y…