NEW YORK — James Benesh rode the 7 line last spring with one of his most critical tasks as an employee of the New York . He had to find the right purple. Benesh, the Mets’ executive director of consumer products, carried with him a half-dozen swatches sent by Nike to compare with the purple circle on every 7-line sign. While there is an official, mandated purple of the 7 line, this is the subway, and the execution of that purple varies stop by stop. Advertisement After about an hour hopping off... Read this story