A Conservative lawmaker at the centre of efforts to block a no-deal Brexit said on Saturday he was pessimistic about his chances because he and other party colleagues could not support a caretaker government led by opposition leader Jeremy Corbyn. With Prime Minister Boris Johnson vowing to take Britain out of the European Union with or without a deal by Oct. 31, anti-Brexit politicians from all sides have been trying, and so far failing, to agree on a plan to stop it from happening. Corbyn, leader of the main opposition Labour Party, wants a caretaker government with himself as head, and then an election. But other opponents of a no-deal Brexit worry that Corbyn, a staunch leftist, would not win enough support, prompting leaders of smaller parties to put forward their own suggestions as to who could lead a government long enough to delay Brexit. Oliver Letwin, a lawmaker from Johnson’s ruling Conservatives, was asked to lend his support to Corbyn this week, but he told BBC Radio on Saturday: “I don’t think it’s at all likely that a majority would be formed for that and I wouldn’t be able to support that, no.” Asked to explain why, he said even an interim Corbyn-led government could do more damage than a disorderly exit from the world’s biggest trading bloc. Conservative opponents of a no-deal Brexit are deeply suspicious of Corbyn, whom they see as a dangerous Marxist intent on nationalising swathes of British industry and hiking state spending and taxes….