Tim Knight has just two weeks of vacation each year, and he spends them both in his RV just outside Alabama’s Talladega Superspeedway, according to a report the Birmingham News. Each April and October, he returns to the first spot on the right at the private Talladega RV Park, builds a big cinder-block fire pit and starts reconnecting with friends. In fact, Knight, a 36-year-old computer network engineer from Huntsville, said he enjoys being here as much as in the stands. “