Rierson replaces Donna Redier Linsk, who stepped down this month
Departing chief operating office will consult for "American Idol"
The Fox talent show's Oscar and Grammy-winning alum is working out details of joining Season 13
"Deadliest Catch" producer Beers now in charge of 600 hours of programming, including "American Idol" and "The X Factor"
Answer the questions or your grandmother goes off the top of a 10-story building -- in a decelerator harness -- in game show debuting June...