Whoever takes over from Boris should take heart from de Blasio's victory and be bold. This is not quick-fix politics: it calls for sustained stewardship of our city and its economy. But a brave mayor could lead that conversation, challenge the orthodoxy and change not just London but the national trajectory too.
We live in an era of profound and increasing inequality, at the heart of which is inequality in education. For any nation truly committed to creating a fairer and more equal society, private schools have no place... Private schools are at the very heart of a society divided by inherited wealth and privilege.
Improving quality in Pakistan would also be a huge breakthrough. In rural areas many primary schools lack sufficient classrooms to provide a proper five year cycle: In Khyber Pakhtunkhwa, for example, more than half of the schools do not contain the requisite 5 classrooms (one per grade). If you were a parent, would you send your children to school, and keep them there, if school conditions meant that your children were unlikely to learn the basics?
A chief executive in one of Britain's biggest businesses takes home more in three days than an average employee can earn in a year. The pay gap between those at the top of the income scale and the rest of the workforce has continued to rise sharply year after year - throughout the recession and recovery.
Bankers get millions in bonuses, footballers earn thousands every week: we all know the clichés. The market says this is what they are worth, but the general public don't really believe that. Do they earn this money, really? Can anyone do a job that genuinely, demonstrably, should produce that kind of reward?
Whatever the make up of the next government - one thing is for certain - it will need to find more revenue. All parties are committed to deficit reduction, and as services and benefits have already been cut to the bone, the only way is to increase taxes on those who can afford it most. Raising taxes is always politically tricky.
We already have a great network of organisations and individuals working to achieve this through educational, vocational and mentoring schemes, but more support is needed - both financial and on the ground. We need more men to get involved too, as these are problems that affect us all. Things won't happen overnight, but I believe that change is possible
Oh, I'm sorry - you Tories out there still refer to it as the "top rate of Income Tax", don't you? That's very passé, you know - and more than a little misleading, also. After all, the country's in a mess - substantially more of a mess than it was in when our benign Coalition government assumed unelected power in 2010, actually.
The challenge is clear, if complex. Income inequality has increased as the world has got wealthier, with GINI coefficients increasing across many countries. But, poverty has also reduced. As Bill Gates argues this week in his annual letter, by 2035 we should have no or only very few low incomes countries left, with many graduating to middle income.
If we were to judge the wellbeing of the nation by the changing skyline of the City of London or the number of designer handbags then we would be on the verge entering a new golden age. However this only tells one side of the story, the other is told by widespread political apathy, increasing household debts and the ever-growing queues at food banks and pay day loan companies.
The biggest tragedy of all is, if we're lucky enough to survive until we're old, grey and wrinkled, and our grandchildren ask us what we gave to the world we lived in, we are only able to say that we took more than we gave. For the man who dies without giving more than he has taken can take no triumph from his life.