Old Etonians don’t care about being liked. That’s why they make good PMs

To the untrained eye, the social gulf that separates David Cameron and Nick Clegg is hard to spot. They are both sons of financiers, both ex-public schoolboys, both the products of elite English universities and both in their early forties. Indeed, when they gave their joint press conference in the Rose Garden last week it was reminiscent of the final scene in A Comedy of Errors in which two twin brothers are reunited after being separated at birth.