SARAH VINE: If Kemi and Nigel put aside their egos they'd be the Olivia Newton-John and John Travolta of British politics... greased lightning!

Sarah Vine compares Kemi and Nigel to Olivia Newton-John and John Travolta, suggesting they could be effective if they set aside their egos. The analogy references the iconic 'Grease' duo, implying potential for dynamic collaboration.