“The city plans to close several blocks of Broadway to vehicle traffic through Times Square and Herald Square, an experiment that would turn swaths of the Great White Way into pedestrian malls” — and do what, exactly, to Broadway theatres? “A theater industry executive who was briefed on the plan this week said the reaction among Times Square business leaders was largely favorable” but noted that “one worry was whether taxis and other vehicles would have difficulty leaving people in front of theaters.”