What do we owe those we take in? In response to the Syrian-refugee crisis, the Obama Administration has promised to increase the number of refugees it resettles, from seventy thousand a year to a hundred thousand. The Department of State gives preference to the most vulnerable refugees, who have been tortured or persecuted at home. Their traumas will inevitably follow them here. Studies show that migration, especially when coupled with discrimination, elevates people’s risk of psychosis.