In recent weeks, the vice president’s defenders have been eager to point out that Kamala Harris was never the “border czar,” responsible for securing America’s wide-open Southern border. Instead, they claim, she was only in charge of addressing the “root causes” of migration in Central America.
Even if that were true, the vice president’s supporters shouldn’t be so keen to brag about it.
In 2021, the Biden administration launched the “Root Causes” strategy, a lofty initiative...