Summary Box: OWN shakeup gives Discovery new role

NEW DYNAMIC: This week’s Oprah Winfrey Network shakeup, which included a 20 percent staff layoff, thrusts her into a new dynamic: Power-sharing with a top executive from Discovery Communications, the company that’s bankrolled OWN with more than $300 million.

CHANGE: Winfrey has been used to running the show, whether it was her hit daytime TV program or the fledgling cable channel named for her and which she rules as chairman and chief executive.

KEY QUESTION: Can Winfrey work as an effective corporate teammate with Discovery to turn the struggling channel around?