How is Lawrence Gelman or Gilda Romero to know whether all that is essential, let alone the best possible treatment for the patient?

NEWYORKER: The Cost Conundrum

The idea that it is possible, let alone desirable, to allow multiple citizenship is relatively recent.

ECONOMIST: Dual citizenship

It is not clear whether campaign-finance reform is possible, let alone whether banning soft money is a good idea.

ECONOMIST: The trouble with heroes | The

Many lawyers doubt, for example, whether it is possible to produce a prenuptial agreement that would be globally recognised, let alone enforceable.

ECONOMIST: Prenuptial agreements