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Members of a caravan of Central Americans who spent weeks traveling across Mexico walk from Mexico to the U.S. side of the border to ask authorities for asylum in Tijuana, Baja California Norte, Mexico, on April 29, 2018. David McNew/Getty Images
Clifford Humphrey is a postdoctoral fellow at the Institute for Human Ecology at the Catholic University of America and the Director of Admissions for Thales College. He holds a PhD in politics from Hillsdale College, and he resides in Raleigh, North Carolina.