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White House deputy assistant Dr. Sebastian Gorka expressed confidence that President Trump can bring the North Korea situation under control and that tweeting could be a useful part of the effort.

Bill Hemmer pressed Gorka on what "card" the president can play in order to convince China to rein in the hermit dictatorship. 

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Gorka said Trump is the most powerful man in the world and that his "Twitter feed" can be beneficial. 

"With all due respect, can a Twitter feed change the mind of those leading China?" Hemmer countered.

"If he can win a U.S. election with it, I think it's pretty powerful, don't you?" Gorka answered.

On "America's Newsroom" yesterday, Lt. Col. Ralph Peters (Ret.) said China is not going to do anything meaningful to stop Pyongyang. 

Gorka disagreed with that point of view, saying China does not want a "buffer state" like North Korea that destabilizes the region.

He said the president has made it clear that he's disappointed in China since meeting in April with President Xi Jinping at Mar-a-Lago.

Last weekend, China launched a series of 20 missiles at mock targets designed to look like American THAAD missile batteries.

The test-launches came after North Korea tested a record-setting intercontinental ballistic missile on Friday.

Watch the interview above.

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