Charlie Gibson Retires from ABC News; Diane Sawyer to Anchor 'World News'

Charlie Gibson will retire, turning over anchor chair to Diane Sawyer.

PHOTOS: Charlie Gibson Retires from ABC News; Diane Sawyer to Anchor 'World News'

Charles Gibson to Retire from 'World News', Diane Sawyer to take succeed him
Charlie Gibson Retires from ABC News; Diane Sawyer to Anchor 'World News'
Charlie Gibson Retires from ABC News; Diane Sawyer to Anchor 'World News'
Charlie Gibson Retires from ABC News; Diane Sawyer to Anchor 'World News'
Charlie Gibson Retires from ABC News; Diane Sawyer to Anchor 'World News'
Charlie Gibson Retires from ABC News; Diane Sawyer to Anchor 'World News'
Charlie Gibson Retires from ABC News; Diane Sawyer to Anchor 'World News'
Charlie Gibson Retires from ABC News; Diane Sawyer to Anchor 'World News'
Charlie Gibson Retires from ABC News; Diane Sawyer to Anchor 'World News'
Charlie Gibson Retires from ABC News; Diane Sawyer to Anchor 'World News'
Charlie Gibson Retires from ABC News; Diane Sawyer to Anchor 'World News'
Charlie Gibson Retires from ABC News; Diane Sawyer to Anchor 'World News'
Charlie Gibson Retires from ABC News; Diane Sawyer to Anchor 'World News'
ABC News' Diane Sawyer interviews President Assad in Damascus, Syria, in 2007. (ABC News )
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