NO BORDERS: "Those of us in the "enforcement first" camp are often asked when, if ever, we'd admit the borders are secure enough to safely allow for an amnesty. A good question—and a difficult question, because at least one of the preconditions will be hard to pinpoint scientifically. It will be the point at which even activists like Mr. Ramos at least acknowledge that there is a border."

You'll have to scroll down a bit for the border arguments, but read the whole post anyway.

Linked from Instapundit.