Theresa May is expected to make a fourth attempt to get her deal through parliament

The voice is weary, just a trace of steel under the tiredness as one of Theresa May’s aides contemplates the week ahead: “We are finally at the point of no return. This is the moment of choice.”

For the prime minister there can be no return. May last week said she would resign if her Brexit deal passed, though it crashed to a third consecutive defeat, this time by 58 votes. But for MPs choices remain — both in the form of a Brexit deal they will swallow and, for the Tories, which leader they want to succeed May.

In Downing Street yesterday there was still tension, with different factions arguing over how to deal with the greatest political crisis since 1940. Some, including