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President Obama's primetime address on the terror threat is being met with some harsh criticism from Republicans, including Sen. Rand Paul (R-Ky.)

The presidential candidate slammed the president for bringing up gun control in response to the San Bernardino terror attack, which was inspired by ISIS.

And he said that the attack proved that the immigration system is not working when it comes to Middle Eastern countries.

Paul said on "America's Newsroom" that last week's attack shows the government cannot keep out all of those who want to do harm. 

The female terrorist was allowed into the country on a “fiancée visa” that listed a false or at least inaccurate foreign home address.

Paul said he's been pushing legislation for years to add layers of scrutiny to the immigration process. 

He said Tashfeen Malik should never have been able to enter the U.S., and that President Obama admitted that there was not enough scrutiny during his address.

"I think we need to revamp our entire system and until we're certain that we're not admitting people who would attack us, I think we just need to press pause. Let's have a moratorium for a while," he said. 

Watch the interview above.

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