When crimes are committed, what should be done? Some people recommend amnesia, which turns out to be the root word for amnesty. But surely they don't propose it as a general response to crime where criminals confess their crime, pay some fine and apply to have their crimes overlooked. Amnesty supporters probably wish amnesty to apply to only illegal immigrants. That being the case, one wonders whether they wish it to apply to illegals past, present and future, regardless of race, ethnicity or country of origin.
Various estimates put the illegal immigrant population in the U.S. between 10 and 20 million. One argument says we can't round up and deport all those people. That argument differs little from one that says since we can't catch every burglar, we should grant burglars amnesty. Catching and imprisoning some burglars sends a message to would-be burglars that there might be a price to pay. Similarly, imprisoning some illegal immigrants and then deporting them after their sentences were served would send a signal to others who are here illegally or who are contemplating illegal entry that there's a price to pay.
Here's Williams' suggestion in a nutshell. Start strict enforcement of immigration law, as Arizona has begun. Strictly enforce border security. Most importantly, modernize and streamline our cumbersome immigration laws so that people can more easily migrate to our country.