Concerning Iran, she has said, "We should not remove the nuclear response from the table."

Economic sanctions, he added, would give North Korea "the freedom for nuclear responses."

We must not launch a nuclear response unless we are sure that the warheads will reach their targets.

No American leader would order a nuclear response to a conventional attack, knowing that he was firing the first shot of the holocaust.

Nor, for the same reason, would any Soviet leader who contemplated a conventional attack believe that there would be a nuclear response.

Should the president consider a nuclear response against the Russians?

The movie takes this idea one step further, with the Russians irrevocably committing to a catastrophic nuclear response without making the threat public.

That example is reason enough for America not to rule out nuclear responses to biological or chemical attacks.

The front-line troops served as a trip-wire for a nuclear response.

And in Washington there is already talk of a nuclear response.