Without going into unemployment, abortion, unwed parent, drug abuse, drop-out, etc. statistics, your analogy is disturbing, too, since after a horrifying 4 year civil war and nearly a hundred fifty years of strife that group of Americans remains to be fully assimilated into our society.
Check out Thomas Sowell's, `Red neck Blacks and White Liberals'.
Not sure about title, I read it quite a while ago.
If we're looking into something similar with Mexican-Americans, just damn.