[clawrence3]

There is no such thing as 100% secure - closing the borders would not even do that - there were hundreds of escapes over even the Berlin Wall.

[inquest]

There is no such thing as 100% secure

Then we might as well give up on trying to enforce any laws or fight the WOT, because nothing will ever be 100% effective.

[Eastbound]

"There is no such thing as 100% secure - closing the borders would not even do that - there were hundreds of escapes over even the Berlin Wall."

Not arguing that there is such a thing as 100 percent security. But are you saying that keeping the borders open because of the cost of securing them would be preferable than closing the borders and reducing the incident of terrorism?