After a months-long pause, Iran’s dreaded modesty squads are back on the job of policing women’s dress. Many Iranian men are quietly asking themselves and one another a question that goes something like this: “Suppose you’re walking down the street with your hijab-less wife, girlfriend, friend, classmate, or sister. The morality police suddenly confront you, giving your companion a warning, or worse. What will you say or not say? Will you stand up for your partner?”Distilled into one sentence, the…