Title: Drawing lines in sand and snow
Subjects: Illegal aliens, Free trade, Border security, Economic integration, Capital movements, Foreign economic relations, Border patrols, Economics, International, Grenscontrole, International economic integration, International economic relations, Veiligheidspolitiek, General, Economische integratie, BUSINESS & ECONOMICS, Free trade, north america, National security, united states, North america, economic integration, North america, economic conditions, Noncitizens, Illegal immigration, Intégration économique, Libre-échange, Sécurité frontalière, Immigrants clandestins, Police de la frontière, Mouvements de capitaux, Relations économiques extérieures, Immigration clandestine, National security, Undocumented Immigrants, Sécurité nationale, Aliens, Illegal immigrants, North America, North American Free Trade Agreement, United States of America
Places: North America, United States