From the June issue: Union Square — an already thriving slice of Manhattan — is getting an injection of new development. And the area, which gets an estimated 344,000 people passing through on a typical weekday, is also becoming significantly pricier. A slew of new projects, including Billy Macklowe’s 52-unit condo tower at 21 East 12th Street, are poised to change the office and residential mix in the area, which real estate players say extends a half […]