Do open border policies work?
All one needs to do is look at Germany, France and everywhere else who let immigration flow freely into their Countries.
Rape and sexual crimes have increased to a point of crisis.
@Pontifex and the Vatican seem to think walls work.
In some areas the walls of vatican city it raise up to 200 feet high.
Mexican authorities made a gruesome discovery this week; finding 20 bodies -17 of them burned- near the United States’ border in the northern city of Nuevo Laredo