Tennessee, get ready for check point charlie. DHS will be doing sobriety checkpoints in your state. What business DHS has enforcing local and state laws is beyond me. This will spread.
http://www.examiner.com/article/homeland-security-to-assist-with-dwi-arrests-over-labor-day-weekend
http://www.examiner.com/article/homeland-security-to-assist-with-dwi-arrests-over-labor-day-weekend