to continue 3.) below: Chavez and Ralph Abernathy led a protest march against illegal immigration at the US-Mexican border. I am pro-life, certainly not "in bed" with anyone in the Hemlock Society on that society's issues. If they're opposed to illegal immigration, I welcome their support on that issue, and they'll get no tit-for-tat on population control issues from me.
4.) "...illegally through no fault of their own..." Someone who finds himself in an illegal situation through no fault of his own has an obligation to correct that illegality.
5.) "...it would be the United States' loss, not just theirs." Probably so. And yet it would be Mexico's gain, which country needs decent citizens to help fix its problems every bit as much as we do.