Your further question was how do you justify any other pre-emptive action.

Do we plan to take pre-emptive action against them?

In the past they have opposed taking pre-emptive action against pirate sites.

The work of the investigating panel produced some pre-emptive action.

First, the less immediate and direct the threat against America, the weaker the case for pre-emptive military action.

Some presidents have confronted it head on, with pre-emptive action.

In an interview, he said that failure by sports officials to take pre-emptive action was a major factor.

My attitude is you take pre-emptive action in order to protect the American people.

"You want to save pre-emptive action for a truly compelling situation."

Now the imperative of such pre-emptive actions has become clear.