How many YEARS would such a wall take?
How many years would a wall take? Depends on how serious you are about solving the problem.
My analysis shows it could be done in a couple of years.
Remember that we have a LOT of experience with big engineering and construction jobs.
"How many YEARS would such a wall take?"
How many years will pass and there will still be no wall in place if nothing is done?
The good thing about you FROBL members is that you keep making the same lame arguments over and over again - and do nothing except convince the undecided that your position is wrong.
Three billion dollars and put the illegal criminals to work building it, add insult to injury.