It was a notable shift from Biden’s position during his last presidential bid.

“I voted unlike most Democrats — and some of you won’t like it — I voted for 700 miles of fence,” then-Sen. Biden (D-Del.) told a South Carolina Rotary Club in 2006. “People are driving across that border with tons, tons — hear me — tons of everything from byproducts for methamphetamine to cocaine to heroin. And it’s all coming up through corrupt Mexico.”

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