Why the

Criticisms from Tory right are useful for Cameron and Clegg.

The theme of anger aimed at the coalition from the Tory right is becoming such common currency in Westminster that even John Redwood has been forced to deny joining a "Brokeback Club", named after David Davis's remarks attributed to Lord Ashcroft, comparing David Cameron and Nick Clegg to the two gay cowboys in the Hollywood film.

In reality, such rumblings play straight into the hands of the Cameron and Clegg camps, who seem...