Possible Clues:

• What the Uxbridge and South Ruislip constituency is for Boris
• See a fast roundabout that's more than the equal of the largest swing?
• Modelled around a review of fees, this may not be contested politically
• A fee's wrong in part of weekend? Most politicians want it!
• Parliamentary constituency with a substantial majority for the incumbent
• Small vessel's behind limiting energy waves where there's a wide margin
• Politician's dream
• Sure thing in an election
• Constituency MP prefers