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Question one. president trump was in california this week to look at some border wall prototypes. the president said the top of the wall needs to have a certain design feature to keep out aggressive climbers.pr kind of design does he want? a, the need to be around,un b, need to have barbed wire, or c, needs to be covered in spikes? >> he wants the top of it to be round. >> tucker: not with broken wine bottles. okay, we go to the tape to see if you have been paying attention. >> the round piece you see appear, the larger it is, the better it is. it's very hard to get over the top. it's really a...

This is multiple-choice. president trump was in california this week to look at some border wall prototypes. the president said the top of the wall needs to have a certain design feature to keep out aggressive climbers. what kind of does or does he want? a, the need to be around, but be, need to have barbed wire, or see, needs to be covered in spikes? >> he wants the top of it to be around. >> tucker: not with broken wine bottles. okay, we go to the tape to see if you been paying attention. >> their brown spots that you see up here, the larger it is, the better it is. it's deterring from getti...

The first place. that's an important design feature. that's a good thing but it does take more time. we really are doing this backwards out of necessity. that we don't have a debris field where we're trying to pinpoint it. but rather we're casting a wide net and hoping to find it before the batteries go out. >> let's say a battery does go out, shawn. we just heard a few minutes ago from one expert who said they need to reacquire the signal. but i guess if the battery goes out is there enough information in what they have already been anyone to gather to help lead them to the right location if ...

Action firearm versus a single action firearm? >> are you talking the trigger travel distance? >> i'm sorry. yes, the trigger travel distance. >> yes. in terms of the length that the trigger needs to travel backwards to release the firing mechanism on a double action, especially this one, is much longer than, say, a single action firearm. >> would you agree that that also is a safety mechanism to be certain that the person who -- that the firearm is not going to fire without someone deciding to make the full pull on it? >> that would make it a lot less likely to accidentally pull. it would be ...

I use -- yes the trigger travel distance. >> yes. in terms of the length that the trigger needs to travel backwards to release the firing mechanism on a double action and especially this one is much longer than say a single action firearm. >> would you agree that also is a safety mechanism to be certain the person that the firing is not going to fire without someone deciding to make the full pull on it? >> that would make it a lot less likely to accidental pull. it would be a deliberate pull of the trigger. >> you're saying it's not a safety feature or did i just misstate the word when i was u...