Note to middle management: today’s the day workplace productivity takes its annual nosedive, as employees across America wait on interminable lines for handouts at Ben & Jerry’s. Free Cone Day – not to be confused with Free Clone Day – lasts until closing time at five participating Ben & Jerry’s scoop shops in Manhattan. Ben & Jerry's at 104th & Broadway (2722 Broadway), Ben & Jerry's at Macy’s Herald Square Food Court, Ben & Jerry's......