Our highest priority is to keep terrorists from acquiring weapons of mass destruction.

We need the agreement of others to keep terrorists out, and to shun any countries that accept them.

Officially, the barricades are there to keep terrorists from attacking the Stock Exchange.

They keep terrorists, for all we know, at the gates.

Government officials argue that secrecy is needed to keep terrorists in the dark.

For each, it should have a realistic strategy to keep possible terrorists insecure and on the run, using all elements of national power.

They also want to keep terrorists off American soil.

Mr. Bonner said this information would help the government keep terrorists out of the country.

The search team itself, eager to keep terrorists in the dark, will say little about such skills.

Alex Spitz, 80, agreed, saying that security added in the city since Sept. 11 was more than enough to keep terrorists away.