During a visit to the U.S.-Mexico border on Friday, Vice President Kamala Harris vowed to keep President Biden’s asylum crackdown in place if elected, solidifying Democrats’ embrace of more stringent immigration rules.

Harris used her visit to Douglas, Arizona, to address one of the most pressing political vulnerabilities faced by her presidential campaign: illegal immigration. It’s an issue that Americans have grown increasingly worried about in recent years amid record levels of migrant crossings at the southern border, polls show.

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