They tweeted one of my essays 13 minutes after you posted this query, and Tom Woods and I were among the featured experts in their documentary on Nullification.
Here we are on the case:
https://www.amazon.com/Nullification-Rightful-Thomas-E-Woods/dp/B008BVYV4G/ref=sr_1_4?ie=UTF8&qid=1499297707&sr=8-4&keywords=gutzman
