At the beginning of Day 3, one of the most sought after classes, Tires: Everything You Thought You Knew, But Didn’t, began. Instructor TJ Tennent and Ron Winkleman led students through information on tires. Repeatedly asking the class, “How many knew that before,” no one could raise their hands. It turns out that as much as we may think we know about tires, there’s a lot we don’t know. But toward midmorning, Tennent challenged the class to “be the obvious choice.”