Argument: Deporting illegal immigrants in smaller numbers is feasible
Ian de Silva. "How to Deport 10 Million Illegal Aliens." Human Events. May 18th, 2006: "no one is seriously talking about mass deportation, for anyone with a modicum of common sense knows we could not round up all the illegal aliens at once. [...] However, we can round them up in smaller numbers, and over time, the cumulative effect of round-ups will have an undeniably deterrent effect."