"This information would be absolutely vital for the argument that New Jersey is not doing enough for the environment and needs to come with stronger rules," he said.
But the detail of his argument, vital for those who rely on welfare, was less politically explosive than his wider criticism about the failure of purpose of Mr Cameron's government, embodied in the decision to continue to protect pensioner incomes at the expense of working-age benefits.
It is thus vital to the argument that the diary case is presented in the first person, without our pressing the question, 'Who is speaking?' At this stage we are simply not to worry about whether the diary story ultimately makes sense or not.
This is especially true if the information is vital to the argument or research presented in your paper.
Bankruptcy would do nothing to speed up the introduction of vital new models.Those arguments may have weighed heavily with both Barack Obama, the president-elect, and the Democrats in Congress, who are moving towards sanctioning a bail-out package.
In debate it is vital to have multiple arguments so that the case applies directly to a variety of situations, but candidates repeatedly resorted to their particular niche or pet issue regardless of the subject at hand.
But this dossier was vital in making the argument for war.
The oratorios, despite their antique subjects, are vital contributions to an argument in quite unexpected ways.
But the ensemble's fresh, vital performance vanquished that argument, as did its taut, essentially Romantic rendering of Schoenberg's Chamber Symphony No. 1.
I'm not imagining some sort of happy-clappy pacifist fantasy land here; full-bloodied criticism, satire and argument are vital.
