Baltimore — (TFN): Do you think Rupert Murdoch and his multi-billion-dollar buggy whip factory is getting nervous? Unless the prince of print media single-handedly transforms an industry, his empire will come crashing down.

This story goes well beyond Murdoch’s decision to start charging for his company’s online news content.

Carl Icahn is adding to his reputation as a boardroom bully. In a letter to Yahoo Inc. (YHOO) Chairman Roy Bostock, the billionaire investor threatened to seek control of the board and resuscitate takeover talks with Microsoft Corp. (MSFT).