"It's better for the U.S. to shut up," Sha said. "Keep quiet. It's much, much better."
Sha said the world need not worry about China's growing economic and military might because "China basically is a peace-loving nation."
"China's military buildup is not threatening anyone," Sha said. "This is a legitimate defense."
N Korea said to be readying nuclear test
But they're really not sure. Everyone is under alert