1. Survival of Only the Fittest Social Groups: The Evolutionary Impact of Social Distinction and Particularity, 38 U;Helen P Grant;PA. J. INT'L L,2017
2. at 917. 123Attorneys from the Department of Homeland Security, specifically, Immigration and Customs Enforcement's Office of the Principal Legal Advisor, represent the interests of the U.S. government in immigration proceedings;R-A-;Office of the Principal Legal Advisor-Overview