The scale of the killings in Iran during the brutal recent crackdown on anti-government protesters is being laid bare. One human rights group, whose estimates have proved accurate in the past, says it has verified more than 6,000 deaths. The Human Rights Activists News Agency says it’s investigating reports of more than 17,000 other killings. Other estimates have put the number who have died at more than 33,000. Evidence is emerging of the systematic killing of protesters, who took to the