Whatever Rosen's reason for shaking it up, with real estate being what it is in the city, that lot would be developed sooner or later. But a tower squeezed in there shouldn't happen. I believe the best way to avoid that if for Tishman Speyer to merge it with there's, creating a 47,000 sf lot. That way, it could be redeveloped, with an open plaza between the two buildings.
This building is spiritually related to the Hyatt anyway.
__________________ NEW YORK is Back!
“Office buildings are our factories – whether for tech, creative or traditional industries we must continue to grow our modern factories to create new jobs,” said United States Senator Chuck Schumer.