When faced with a national health emergency, policymakers often vow to “follow the science.” Problem is, they and the public often want science to do far more than it can.
Since March 2020, the vast majority of border crossers are immediately expelled to Mexico under authority in Title 42 of the U.S. code. Once sent back to Mexico, the expelled can promptly recross. Without these repeat crossers, the first few months of fiscal year 2021 would look nearly identical to fiscal year 2019 before the pandemic.
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