It is clearly an unfinished effort. For excuses, one has to remember that the enviro-Nazis have tied up miles upon miles of the new 12 foot tall steel fence construction with EPA complaints and lawsuits, but yes, more needs to be done.
The AWB Has Expired - Gun Owners Have Won Again For All Americans!
You don't need a wall at all, except through some urban areas where it is a help. All you need are serious grown-up wartime rules of engagement.
The irony is, far few would die than die today of thirst in the desert, if invaders knew that the "Keystone Kops" rules were out, and serious rules were in. Why? They wouldn't cross, if we announced and enforced wartime rules of engagement.