"Throughout this period I believed it was Theresa May’s intransigence, her ‘red lines’, that scuppered these talks. It now transpires, as evidenced in Eagleton’s book, that Starmer was the bad faith actor in the negotiations, refusing to consider any form of compromise or agreement between the two parties. He deliberately sabotaged the negotiations, thereby facilitating May’s downfall."

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https://creatingsocialism.org/sir-keir-starmer-midwife-to-johnsons-babies/