The WMDs haven't turned up. In 1999 there was no genocide in Kosovo. But, says Neil Clark, Tony Blair has never allowed the facts to get in the way of a good war. If you ever get to Belgrade Zoo, don't miss the snake house. There, in nicely heated tanks, you will see two rather fearsome-looking pythons, one named Warren and the other Madeleine. The names of Bill Clinton's secretaries of state - Warren Christopher and Madeleine Albright - will not be forgotten quickly in the capital of the former Yugoslavia. Seeing the two pythons slithering in their tanks reminded...