In the late 1960s 95% worked.This collapse of work partly reflects the recession of 2008-09, which drove America's unemployment rate into double digits.
No one seems safe from the spreading collapse of work.
But the story of Port Clinton over the last half-century — like the history of America over these decades — is not simply about the collapse of the working class but also about the birth of a new upper class.
It takes the collapse of the working class to its nth degree: the virtuoso set pieces of Leith dialogue enthral you as they repel you with their dripping despair.
Following the almost total collapse of normal working relations with them, BP's board has decided to try and sell its 50% stake in TNK-BP, following receipt of what it calls "unsolicited indications of interest".
The company's chief executive, Andy Friend, is leaving - to be replaced by the current finance director - but investors focused on news that results at its Chiltern Railways business would be hit by the collapse of tunnel works in the middle of last year, which affected passenger numbers.
A simple universal pressure pump curve collapses the data for a variety of working fluids and voltage.
Never mind wage stagnation and all that, the real problem is the collapse of working-class family values, which is somehow the fault of liberals.
But activists agree the biggest challenge may be to persuade ordinary people that their heritage is worth preserving – particularly when the frequent collapse of working-class tenements seems a much more pressing problem.
So if technology isn't to blame for inequality, then what is? Elite-led globalization, the transformation of the tax code, the growth of the financial sector, and, above all, the collapse of working-class power since the 1970s.
If anything, Hall's play about the Ashington Colliery workers who picked up their paintbrushes at a WEA class and began to paint what they saw around them feels more urgent now than it did four years ago, charting as it does not just the collapse of working-class politics but also looking forward to the collapse in access to the arts.
