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If you want to visit the front lines in the fight against ISIS,

there are few places better than Jordan.

Its leader, King Abdullah, says he understands

Islamic terrorism better than America ever has.

In fact, he says, we're in a third world war.

How do you move forward from here?

I think the problem with the West is they see a border which can see you in Iraq.

And we say, if a god's sake, ISIS doesn't work that way.

So if you're looking at it and want to play the game by your rules,

knowing that the enemy doesn't, we're not going to win this.

Within the last two years, B-52s like this one,

capable of delivering 20 nuclear weapons,

have begun sending a message directly to Russia,

lying missions not seen since the cold war.

Haiti cruise missiles in your face.

It's a lot of firepower.

Was that the message?

That's a message.

It was an unmistakable warning,

...