"practical?"
Have you seen the fence in Israel?
Do you know how much a fence like that would cost to be built on the northern and southern borders?
We can't afford gas prices! The fence might not be practical.
What is Gilchrist's stance on the Iraq War that I personally support?
"Do you know how much a fence like that would cost to be built on the northern and southern borders?"
It would be worth any cost. We would save in the long run.