Diary of Tube bomb plotter Ultimate horror ... graphic shows how Barot, inset left, would have collapsed tunnel on train as it went under Thames, inset right, drowning everyone By SIMON HUGHES and NEIL SYSONNovember 07, 2006CRAZED Dhiren Barot planned to kill thousands of innocent people in Britain and America — with his Thames Tube horror the centrepiece of his plot.The attack formed part of an horrific blitz on the UK that included the Heathrow Express rail link and possibly top London hotels, a court heard yesterday.In a chilling document, the Al-Qaeda commander GLOATED about the prospect...