This is the first in an occasional Truthout series on viewing the US "immigration" and Mexican border policies through a social justice lens, focusing on the lower Rio Grande Valley. Brownsville, Texas, area. Mark Karlin, editor of BuzzFlash at Truthout, visited the region recently to file these reports.

The physical Mexican-American wall starts as a newly fortified metal barrier extending 300 feet into the warm, balmy waters of Southern California and ends up some 2,000 miles later just east of Brownsville, Texas. But it would be wrong to think of it as continuous, because only about a third of that distance has some form of visible barrier running like a scar across the US...