I know enough about geophysics to say that these people are lying through their teeth when they claim they can eventually guarantee long-term safety underground.
You, Fernando Serra, are either lying through your teeth, putting on a brave face or you have the same loose sort of arrangement with your mistress as you accused me of having with Steve.
Their Liberal and Labour opponents, whose foreign policy clothes had been so comprehensively stolen, were reduced to assertions - unconvincing to most voters - that the Government was lying through its teeth. In fact, of course, it was.