Did 7 million American children suddenly disappear in 1987? On paper, it seemed so. That's the year the IRS began requiring Social Security numbers for dependent children, and the number dropped dramatically.
COMMENTING POLICY:Readers are encouraged to post comments that are germane to the article. We reserve the right to remove any user, and to delete comments that contain abusive language or personal threats, as well as those that are racist or demeaning. Readers may report comments by clicking "Report Abuse." Once a comment has been flagged, a Baltimore Sun staffer will investigate. Click here for more information on commenting.