has been built b/c ineffective barriers have been replaced already in some places. so you're being incredibly picayune in that claim.
and more importantly, it IS being built. as you type your ridiculous propaganda it's being built.
why don't you look at some of the before and after pics and tell me that no NEW wall (barrier) was built?
https://www.dhs.gov/news/2018/12/12/walls-workEdited by blake1771 at 10:51:14 on 02/14/19