On Friday, October 30th, just days before the U.S. presidential election, ,” a caravan of SUVs and large pickups displaying “Make America Great Again” flags and other pro-Trump signs. In video posted online, one vehicle can be seen crashing into a white SUV which was said to be transporting members of the Biden-Harris team. Thankfully, no injuries were reported. While neither Joe Biden nor Kamala Harris were on the bus, other candidates for office were and the incident motivated Texas Democrats to cancel three campaign events due to safety concerns. Beyond that, it marked a frightening escalation in the use of vehicles as instruments of political violence, something that seems to be occurring with increasing frequency in this country. To make sense of it all, Doug talked to Greg Shill, an associate professor at the University of Iowa College of Law. Greg has written extensively on the ways in which the right to drive at the expense of nearly all other forms of transportation . On Election Day, and why the drivers in the “Trump Train” had every reason to expect immunity. SHOW NOTES: This episode was sponsored in part by our friends at . For 20% off of stylish, functional rain gear designed specifically for bicycle commuters, enter coupon code WARONCARS when you check out. . Rate and review the podcast . Buy a . Check out The War on Cars library at . SHOW NOTES: This episode was produced and edited by Doug Gordon. Our music is by Nathaniel Goodyear. Our logo is by Dani Finkel of . Find us on Twitter: , Aaron Naparstek , Doug Gordon , Sarah Goodyear Questions, comments or suggestions? Send a voice memo of 30 seconds or less to .