Michelle Kath Sinclair still has a vivid memory of her father, original Chicago guitarist Terry Kath, who died nearly 40 years ago when she was only about two. She and her parents were traveling in a boat near a Wisconsin lodge owned by her grandparents. "I was on my mom's lap," she tells Rolling Stone. "[My father] was driving the boat and he said, 'Oh, we've got to turn around because the dam is up here.' We turned around, and that was the memory. I was totally questioning it for such a big portion ...