We came to China to help us understand and show you what was going on. In front of the cameras, President Trump and China's leader Xi Jinping were all smiles. But behind closed doors, we now know China was direct about interfering with Taiwan.The Secretary of State told us the US will not change its posture of supporting Taiwan. And that remains the biggest question mark. And in the battle for trade and tech dominance, America's CEOs were here.But we saw firsthand China's efforts to try and lead the world b ...