"You could say to young people: 'Right we'll knock a bit off your student loan debt if you come and take part.'"
Sir David Lidington expresses the need for both 'a stick' and 'a carrot' to draw young people into conscription, and makes some suggestions himself.
Job news: I'm taking over The Economist's British politics column, Bagehot, from January. Please get in touch and tell me things about British politics.
