has told this programme that eu member countires have so far been discplined and prevented from making any meaningful pre negotiations with the uk. he also confirmed it would not be possible to agree all of the issues during the two year negotiation period, and he foresaw the distinc possibility of political and economic turbulence. we ll hear his interview with our diplomatic editor mark urban in full in a moment, but first, to our political editor nick watt. what are you hearing tonight? snp sources said that theresa may told nicola sturgeon that the uk government is confident they can do an overall deal within 18 months. so it means the future trading relationship. number ten doesn t believe the future trading relationship can be done and dusted them, it will need what it described as an implementation phase. but it shows that the uk is accepting the timetable by the eu, which is a greek it by the autumn of 2018 so it can be fully ratified. but the eu chief negotiator is s