In the latest TV ratings, CBS’ Big Brother delivered 4.2 million total viewers and a Wednesday-leading 1.1 rating, ticking up in the demo week-to-week to match its season high. Leading out of that, Tough as Nails (2.9 mil/0.5) ticked up heading into next week’s finale. NBC’s America’s Got Talent (5 mil/0.6) was steady week-to-week, and […]