But instead of standing up for reason, our government is handing education over to the world of faith.

How do you make any sense of history, art or literature without knowing the stories and iconography of your own culture and all the world's main religions?

Crime is only the worst example, but it is a paradigm for other Labour policy disasters. No one tells the voters that crime is falling: let them stay scared senseless.

But the single overwhelming reason why jails are bursting is longer sentences given for more crimes.

So what really works? Treatments in jail do some good, but it's mostly too late: finding a family and a job or just growing older make most prisoners eventually give up crime.

Is anyone serious about the politics of happiness? David Cameron dipped a toe in the water, using the word lightly, but denying the hard policies it implies. Labour shies away from it, but should take up the challenge.