a large holding area is not a cage. Chain link fencing is convenient and inexpensive when you have an urgent need. The spaces are large and the kids get out for class recreation and meals. The use of the word cage is to attack trump. Did anyone say Obama kept kids in cages.
Also fencing keeps the kids of one age group away from others in another age group, makes them safer day and night.
Ask 60 Minutes about fake gasoline tank explosions in Chevy/GMC trucks ignited with planted fireworks. Another FAKE NEWS story.