Sort Brexit and win an election: Five things on the next PM's to-do list

Whoever takes over from bleary-eyed Theresa May as prime minister - tear today, gone tomorrow - will face the same Brexit crisis that has brought about her downfall. The new prime minister's first problem will be that the parliamentary arithmetic won't have changed since Theresa May's humiliating Commons defeats earlier this year. A Brexiteer prime minister could still be thwarted by a pro-Remain House of Commons. The next problem is Brussels.