President Joe Biden’s lax immigration enforcement and open borders policies made this country highly vulnerable to acts of terrorism.

One of the big lessons of this weekend’s antisemitic Molotov cocktail and flamethrower attack in Boulder, Colorado, by Egyptian national Mohamed Soliman is how vulnerable we’ve made ourselves to infiltration by foreigners looking to do violence or acts of espionage. That can be in the form of lone wolf ideologues, terrorist cells, or well-coordinated actors from hostile foreign governments and organizations.

The Trump administration has been correct to pin a large portion of the blame for the Boulder attack on Biden.

“The Biden Admin granted the alien a visa and then, when he illegally overstayed, they gave him a work permit,” Stephen Miller, White House deputy chief of staff, wrote on X Sunday.

The Biden Admin granted the alien a visa and then, when he illegally overstayed, they gave him a work permit.

Immigration security is national security.

No more hostile migration. Keep them out and send them back. https://t.co/nbEmTPfCrE

“Immigration security is national security,” Miller wrote. “No more hostile migration. Keep them out and send them back.”

That’s right. As more details emerge about Soliman, a picture is emerging of a man who should never have been allowed in the country and flagrantly abused our immigration system once he was........

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