Diane Sawyer says this is her last week on 'GMA'

NEW YORK (AP) - December 7, 2009

Gibson is retiring. His last broadcast as anchor on "World News" will be Dec. 18. Sawyer starts Dec. 21.

The 63-year-old Sawyer has been on "GMA" for 10 years. She says: "I've calculated - 2,881 shows. Roughly."

Sawyer made the announcement Monday. She says she hopes "GMA" viewers will "celebrate with us this week, and laugh with us this week, and look back a little with us this week."

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