New York Post: The powerful triumvirate inside Bloomberg — once nicknamed “Jay cubed” — is now down to just one J: Bloomberg Media CEO Justin Smith. And there are growing whispers that Smith might be the next high-level executive to leave the company. Chief content officer and Businessweek editor-in-chief Josh Tyrangiel, who told employees in a memo on that his last day at the news giant would be Friday, seemed so close to Smith philosophically that they used to be called “J&J” by insiders.