President Bill Clinton prepares to sign legislation in 1996 that overhauled America's welfare system — and had a profound effect on the collection of child support. J. Scott Applewhite/AP hide caption

toggle caption J. Scott Applewhite/AP

President Clinton signs the welfare reform law on Aug. 22, 1996. Stephen Jaffe /Reuters /Landov hide caption

toggle caption Stephen Jaffe /Reuters /Landov