When I think about the world I would like to leave to my daughter and the grandchildren I hope to have it is a world that moves away from unequal unstable unsustainable interdependence to integrated communities - locally nationally and globally - that share the characteristics of all successful communities.

If you believe that health care is a public good to be guaranteed by the state then a single-payer system is the next best alternative. Unfortunately it is fiscally unsustainable without rationing.

Thanks to evolution our bodies have powerful ways to ward off illness and infection and enable us to live long and healthy lives. Why then do health costs continue to climb at unsustainable and frightening rates?

A world in which government is burdened by historic debt philanthropy has limited resources and the private sector is only interested in its own personal gain is simply unsustainable.

We have a government that borrows $4 billion a day. We have a government that owes trillions of dollars in debt half of that to foreigners most of that to Chinese investors. I don't - that is extreme. Not only is it extreme. It's insane and it's unsustainable.

Kids are meeting in coffee shops and basements figuring out what's unsustainable in their communities. That's the future.

The British political system and the whole clapped out Westminster architecture and the language that we use about politics it's completely unsustainable. You either decide to be part of that transition to do something different. Or you cling to old certainties.