"Migrant workers residing unlawfully in the U.S. are not — and never have been —..."

“Migrant workers residing unlawfully in the U.S. are not — and never have been — criminals. They are subject to deportation, through a civil administrative procedure that differs from criminal prosecution, and where judges have wide discretion to allow certain foreign nationals to remain here.”

- Why ‘illegal immigrant’ is a slur - CNN.com