There are hardly any apprenticeships in care; hardly any schools preparing teenagers for jobs in care; and few signs that politicians know what to do to raise the status and rewards for what will soon be one of our most important industries.

Spreading an idea is hard work.

Societies advance through innovation every bit as much as economies do.

Cities simply don't have the powers they need to radically innovate in cutting obesity or the number of disaffected teenagers.

I didn't much like being in Parliament physically. I found it a bit depressing. It's very dark and heavy. I like being out and about.

The most important innovators often don't need any technologies - just imagination and acute sensitivity to people's needs.

One of the lessons of history is that even the deepest crises can be moments of opportunity. They bring ideas from the margins into the mainstream.