Podcast:What Roman Mars Can Learn About Con Law Published On: Thu Dec 28 2017 Description: You might not remember December 22, 2017 as a particularly notable day, but I will always remember it as the day the world first saw Donald Trump’s redesigned Presidential Challenge Coin. Because 99% Invisible did an episode about challenge coins and we actually offered our own coin to donors, my association with challenge coins is strong. Because of that, I was forwarded the December 22 Washington Post article about Trump’s garishly over the top challenge coin by about...9000 people. Here’s a story about challenge coins and my reaction to the Trump coin.