CBS’ Survivor snuffed Season 38 this Wednesday night before an audience of 7.2 million while scoring a 1.5 demo rating -- up a tenth from the year-ago “Ghost Island” finale while steady in total audience. The reunion show (4.7 mil/0.9) was similarly up a tenth year-over-year. Elsewhere…. NBC | Chicago Med (7.9 mil/1.1) and P.D. […]