A split-second moment during Chinese President Xi Jinping's arrival in the United States captured attention on Wednesday as the deafening roar of two US Air Force B-1 bombers made President Donald Trump to visibly wince, while Xi Jinping appeared largely unfazed.Trump and Xi were standing side by side on the tarmac at Joint Base Andrews in Maryland during the welcome ceremony when the bombers flew overhead. The flyover took place as the US national anthem was being played, planned to add a military element to the arrival of the Chinese president.advertisementRead Full StoryA widely shared video of the moment showed…