Illegal immigration is really a key Democrat issue nowadays to build their constituency...they'll fight tooth-and-nail because that is there hope, along with issues like say, same sex marriage, the life issue.
This is why Kanye West is so maligned because even taking a sizeable chunk of the AA vote from the Democrats would be a big set back for them.
You talking about the black vote or the Alcoholics Anonymous vote?
It works either way, cause they can't afford to lose Any vote at this point.