Novelist Brad Thor said the West is now "under a constant state of siege," similar to Israel.

Thor said that the regularity of ISIS attack is proof that terrorists are at war with the West.

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"My biggest fear was always that the West was going to end up like Israel - in a constant state of siege," Thor said.

"Well, we're there," he said, adding that western countries need to start thinking like the Israeli government.

Thor said that the "see something - say something" slogan is not a "snitch thing" but  something that could save lives.

Watch the clip above.

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