Ratings: ‘Idol’ Continues to Roll On Tuesday Night and ‘Glee’ Rerun Scores; NBC’s ‘Parenthood’ Slips
"American Idol" continued its domination of broadcast television by lifting Fox to another nightly ratings win, essentially keeping pace with last year’s numbers, tvbythenumbers.com reports. "Idol" posted an 8.2 rating in the 18-49 year old demographic, off 5% from last…