It may not mean the death of the 35-hour week, which unions would resist.
This will be not so much a quantitative change (which governments would resist in any case) but a qualitative one namely, greater migration of workers-plus-skills, or "human capital".
But that would require rewriting the State Constitution, which the Legislature would resist.
They could be genetically engineered to resist radiation and osteoporosis, a weakening of the bones which would result from prolonged weightlessness.
A withdrawal from the ECHR, which would be strongly resisted by the former justice secretary Kenneth Clarke and the former attorney general Dominic Grieve, would plunge the UK into a constitutional crisis.
The Treasury Department named the Central Bank of Iran and the entire Iranian banking system as a "primary money laundering concern" — an unusual and symbolically important step, but one that is short of formal sanctions, which would probably be resisted by China and other Asian countries that import oil from Iran.
Defenders of carbon trading say that the European Union had to give away excessive numbers of permits at the start of the system, and keep it loosely regulated, in order to make it acceptable to powerful industry lobbies, which would have otherwise resisted any form of climate control.
However, restructuring government and public bodies would require drastic changes in policies, people and laws - changes which would be fiercely resisted by those who benefit from the status quo.
Separating commercial influences from doctor education might require doctors to pay their own way, which some doctors have said they would resist.
The SNP would resist and Ukip would demand an EU referendum, which Labour would almost certainly not grant.
Five months later, in what might be seen as his first declaration of independence, he quit in open protest against cuts in benefits for Vietnam vets, which he'd resisted unsuccessfully.
