Editorial: Tear gas at the U.S.-Mexico border is a symptom of a deeply dysfunctional system
The scene at the border in San Ysidro, Calif., on Sunday was something no one wanted to see: hundreds of migrants on the Mexican side trying to charge across, with some allegedly throwing things at U.S. agents, who then fired tear gas that enveloped children as well as adults.
Homeland Security Secretary Kirstjen Nielsen said the response was
