Theresa May said in 2007 that it should be “impossible to override” parliament

Theresa May’s insistence that parliament should be kept in the dark about her Brexit strategy was undermined yesterday after it emerged that she had written a paper demanding MPs get the right to veto European negotiations.

In a think tank pamphlet published in 2007, Mrs May argued it should be “impossible to override” parliament. She wrote that “ministers should have to set out their negotiating positions” to a Commons committee “and gain its approval” before talks with the EU. Ministers failing to comply would have to resign.

In the article, written with Nick Timothy, her special adviser, Mrs May complained that there was no requirement for ministers to give MPs “information about their negotiating position in advance . . . Even if the whole House