In the middle of a high-stakes diplomatic tour, President Trump threatened on social media to resume nuclear testing for the first time in 33 years.
He made the threat just minutes before he was scheduled to meet President Xi Jinping of China, who is overseeing one of the fastest buildups of a nuclear arsenal on earth.
	
				
			He made the threat just minutes before he was scheduled to meet President Xi Jinping of China, who is overseeing one of the fastest buildups of a nuclear arsenal on earth.
 
	 
 
		 
 
		