The looming prospect of "ever-closer" European unification gives new life to those who, rightly or wrongly, doubt the workability of a United States of Europe.So far, the Christian Democratic parties of Europe have on the whole been loyal pro-integrationists.
Despite enormous scientific doubts about the workability of antimissile devices, and extravagant cost, Americans have liked the dream of an invulnerable shield since President Reagan floated it.
This step raises doubts about the workability of the allied training mission that is at the heart of the American exit strategy.
Since then, many in Pakistan have heard the rumors and voiced their doubts about the workability and political wisdom of such a deal, and American officials concede that the proposed power-sharing could come with problems as well as benefits.
However, he cast doubt on the workability of "rainbow coalitions" between a number of parties, saying they would lead to "insomnia" for MPs and instability for the country.
It was concluded that Teller's assessment of a hydrogen bomb had been too favourable, and that both the quantity of deuterium needed, as well as the radiation losses during deuterium burning, would shed doubt on its workability.
Lord Tebbit voiced doubts in 2006 about the workability of bringing in a bill of rights while remaining part of the European Convention – from which of course he believes Britain should withdraw.
Andrew Tyrie, the committee's chair and Conservative MP for Chichester, said: "No doubt we will want to examine the workability of the proposals on child benefit – a number of experts have challenged the scheme on a number of plausible grounds.
Both of them may affect workability of the person, but asthma and workability is a larger question as it involves the whole working asthmatic population.
First, look at workability.
One such problem concerns workability.
