by Radar Staff

Oprah Winfrey is not familiar with failure, and the talk show queen is chopping off heads at her newly-launched network, OWN.

Christina Norman was dismissed as head of the Oprah Winfrey Network on Friday after just four months on the job. She was immediately replaced by Peter Liguori, COO of the company that owns the Discovery channel.

• TAGS

• Christina Norman
• Discovery
• Oprah Winfrey
• OWN
• The Oprah Winfrey Show