Facing the biggest migrant surge in 20 years, the Biden administration is struggling to cope with the influx. Beyond its immediate causes tied to the president's new policies, however, the wave of unaccompanied children is part of a larger historical pattern fueled by varying "push" and "pull" factors and created by decades of political corruption, U.S. interventionism, civil war, and economic dislocations. The Washington Times' Stephen Dinan and Catholic University historian Julia Young join the discussion.