TEHRAN — She was in tears like many women on the streets of Iran’s battered capital. “Throw away your pen and paper and come to our aid,” she said, pointing to my notebook. “There is no freedom here.” And she was gone, away through the milling crowds near the locked-down Interior Ministry spewing its pick-ups full of black-clad riot police. The “green wave” of Iran’s pre-election euphoria had turned black