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.

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.

My mother begged doctors to end her life. She was beyond the physical ability to swallow enough of the weak morphine pills she had around her. When she knew she was dying I promised to make sure she could go at a time of her choosing, but it was impossible. I couldn't help.

One in six people suffer depression or a chronic anxiety disorder. These are not the worried well but those in severe mental pain with conditions crippling enough to prevent them living normal lives.

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?

Working lives are for the state to influence. Unemployment makes people unhappy. So does instability.

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.