The effortlessly funny and compelling nature of Barry may make the HBO series look like a deceptively straightforward show, but Season 2 Episode 6 is a prime example of how the best laid plans can sometimes still need course-correcting. Following last week’s short-story-like standout episode “ronny/lilly,” Episode 6—titled “The Truth Has a Ring to It”—finds the relationship between Barry (Bill Hader) and Fuches (Stephen Root) coming to a head, while Barry hones in on a particularly traumatic moment from his past to deliver a show-stopping performance in class. As it turns out, …