How is the Arizona and Alabama legislation anti-immigrant?
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By demanding proof of residency and arresting those without it, they discriminate against immigrants more than anyone else.
Buchanon may have abandoned the GOP for a spell, but he is more a Republican than a Democrat. The Reform Party has withered away into obscurity, thanks to Jesse Ventura, Pat Buchanon and that guy who eventually got their nomination.
In any event, Buchanon and the AZ and AL legislatures are at the extreme of the political continuum.