Original sentence: After a study co-authored by Richwine regarding the costs of illegal immigration was released by the Heritage Foundation, former Washington Post reporter Dylan Matthews found the dissertation and wrote a blog post about it on May 8, 2013.This dissertation stated that illegal Hispanic immigrants to America had lower IQs than non-Hispanic whites, and noted that this disparity persisted for several generations
Edited sentence: After a study co-authored by Richwine regarding the costs of illegal immigration was released by the Heritage Foundation, Washington Post reporter Dylan Matthews found the dissertation and wrote a blog post about it on May 8, 2013.This dissertation claimed that illegal Hispanic immigrants to America had lower IQs than non-Hispanic whites, and that this disparity persisted for several generations