He's made that perfectly clear in the past couple of days.
President Bush backs off passports for border travel
Personally I'd be delighted if vigorous enforcement of existing immigration laws (including sweeps) was our way of life here. This article makes it appear that sweeps are the rule of the land. I don't see recent stats for this anywhere. Wonder just how frequently they are done?
Excerpts of blockbuster 'Atomic Iran'
3-part series presents second-by-second description of nuke attack