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North Korea has developed a miniaturized nuclear warhead that can fit on an intercontinental ballistic missile, according to The Washington Post.

President Trump responded on Tuesday to reports of North Korea's nuclear threats, saying the regime "will be met with fire, fury and frankly power, the likes of which the world has never seen before."

Anthony Ruggiero, who spent more than 17 years in the U.S. government as an expert in the use of targeted financial measures as a foreign policy tool, said this puts North Korea in the driver's seat in any negotiations about their nuclear program.

"Going back to negotiations at this time would only get us possibly a freeze that the North Koreans would violate at any point that they wanted to," Ruggiero said, arguing that sanctions would be more effective at this point.

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He explained that North Korea has at least four times agreed to suspend or reduce their nuclear program in exchange for aid from the West, only to renege on the deal.

"North Korea has a PhD in fleecing the United States and its allies for inducements to give up its weapons programs, knowing that they're not going to do that," Ruggiero said.

He said that's why we should focus on a strong, robust sanctions campaign, not against North Korea itself, but against the countries and companies that facilitate their sanctions evasion.

He suggested going after Chinese banks work with North Korea, cracking down on countries that use North Korean laborers, and preventing companies from sending luxury goods to the reclusive kingdom.

"The list goes on and on and on, because we've spent, unfortunately, the last ten years really not plugging these loopholes."

Watch more above.

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