CBS’ Blue Bloods returned from a one-week break to 7.5 million total viewers — Friday’s largest audience — and a 0.7 rating, up a tenth to land in a four-way tie for the nightly demo win. Opening CBS’ night, MacGyver (5.8 mil/0.7) and Hawaii Five-0 (6.9 mil/0.7) were both steady. Elsewhere…. NBC | LR: H4TBC […]