The Ridder family owns just 6% of the company, but it has more than just a financial interest in shielding its business from corporate raiders.

FORBES: Magazine Article

The Knight Ridder newspaper company, which used to be one of the nation's largest chains, was - has been forced to sell off to McClatchy last year.

NPR: Chandlers, Eli Broad Bid for Tribune Co.

So that even though Tribune is a very profitable company, they, like the Knight Ridder Company a year ago, were forced to put themselves on the block.

NPR: Tribune Co. Turmoil Highlights Industry Problems