text:  is joining a growing list of states that offer Don't Tread on Me license plates. The plates feature key components of the Gadsden flag, a yellow flag adorned with a rattlesnake sitting atop a patch of grass, and the term Don't Tread on Me underneath. The Idaho Statesman reports Republican Senator Tammy Nichols of Middleton, who sponsored the bill that created the plates, Senate Bill 1317, said the bill was brought to her by a constituent