Wow. Wouldn't have guessed he'd come down on the right side of this, but Krauthammer is absolutely correct!
"...if you do legalization after you get enforcement of the border, Americans would accept that. And that's what...the proposal here appears to do. ...but that is highly misleading, because under this proposal, the day the bill is signed, you get instant legalization for 11 million illegal immigrants. It's called 'provisional', but that's nonsense. No one is ever goning to revoke this legalization. If there's trouble with enforcement of the border, you are not going to get the government revoking legalization after...so what we're getting is instant legalization, which is the functional equivalent of a green card. ...this is what happened with Reagan, who believed in this... He signed the amnesty in the late 1980's. And it turned out amnesty was achieved, there was no enforcement, we now have 11 million illegal immigrants, and Reagan said it was one of the biggest mistakes of his presidency."