The diplodocus. Good morning. Its the 4th of january. Welcome to bbc Newsroom Live. Britains outgoing ambassador to the European Union, sir ivan rogers, has strongly criticised the governments preparations for brexit. In his Resignation Letter he said he didnt know what ministers Negotiating Objectives were and called on his colleagues to challenge what he called Muddled Thinking. Our diplomatic correspondent, james landale, reports. Sir ivan rogers has been britains ambassador to the eu for three yea rs, ambassador to the eu for three years, and his criticisms about the governments preparations for brexit will be hard to ignore. In his Resignation E Mail he said there is a short supply of Serious Multilateral Negotiating Experience in whitehall and he said the structure of the uks Negotiating Tea M Structure of the uks Negotiating Team need rapid resolution. He reveals that even he does not know what the governments Negotiating Objectives for brexit will be. But it is sir ivans implic