Bebeto Matthews/Associated PressBebeto Matthews/Associated PressBebeto Matthews/Associated PressBebeto Matthews/Associated PressBebeto Matthews/Associated PressBebeto Matthews/Associated PressSL Green Inks Another Huge Lease Deal for One Vanderbilt SL Green has signed its third largest lease at its development rising next to Grand Central Terminal, in a sign of strength for a traditional part of midtown that’s been viewed as vulnerable to the city’s trendy new office districts.