There are plenty of areas where a wall or fence are an effective first line of defense but a first line is all it is and it isn’t effective in all areas.
Walls are effective everywhere. They work 7/24 and are not subject to the political winds.
36 posted on 11/25/2015 4:40:31 AM PST by central_va
(I won't be reconstructed and I do not give a damn.)
