Why Is Trump Identifying the U.S.-Canada Border as a Problem?

Why Is Trump Identifying the U.S.-Canada Border as a Problem?
By Hamed Aleaziz and Matina Stevis-Gridneff from NYT U.S. https://ift.tt/6ByQXRf
Illegal Immigration, United States International Relations, Immigration and Emigration, Refugees and Displaced Persons, Border Patrol (US), Immigration and Customs Enforcement (US), Canada