Meanwhile, the Mail on Sunday devotes a total of thirteen pages to the serialisation of a new book, which the paper believes shows Jeremy Corbyn is unfit for office.
It says author Tom Bower has spent eighteen months creating an in-depth profile of the Labour leader, including what it describes as shocking details about the anti-Semitism of his supporters and what his critics say is his duplicity over Brexit.
In the extracts published by the paper, the duchess accuses her father of breaking her heart “into a million pieces” by speaking to the press.
According to the MoS, Mr Markle says he planned to keep the letter “totally private out of respect for her” but changed his mind after her friends allegedly gave an anonymous interview “attacking him” to a US magazine last week.
The Observer wonders, at a time of Brexit splits, claims of anti-Semitism and rows about Venezuela, whether Mr Corbyn can hold his increasingly divided party together.
It reports that – according to very senior figures – there is concern at the highest level about rising levels of discontent and talks of breakaways.
The Sunday Times feels that, try as he might, Mr Corbyn cannot escape the charge that the party has become a hotbed of anti-Semitism. It also thinks he is struggling because he cannot reconcile his own Euroscepticism with the views of Labour supporters – most of whom back a second referendum.
The Duke of Edinburgh’s decision to surrender his driving licence after being involved in a crash last month is seen by the Telegraph as a marked change of heart, after he took delivery of a replacement Land Rover two days later.
The Sunday Times suggests Labour is seeking to seize control of the talks by forcing Mrs May to put her deal to a second decisive vote before the end of the month.
In an interview with the paper, Shadow Brexit Secretary Sir Keir Starmer says Labour will try to stop a no-deal Brexit with an amendment that will compel her to hold another meaningful vote before 26 February.
It reports that senior Tories have accused her of turning a blind eye to Mr Grayling’s decision to award a deal to Seaborne Freight, despite widespread derision. The government scrapped the contract on Saturday.
For the Sunday Mirror, Mr Grayling’s “legacy of failure is unprecedented in modern politics” and he should resign.
White House bid
In the United States, there are many reviews of Senator Elizabeth Warren’s speech, confirming that she has entered the contest for the Democratic nomination in next year’s presidential election.