There's a Cold War between the US and China. But if it comes to military action, is the US ready for a war with China? Secretary of Defense Mark Esper lays out the new National Defense Strategy, a major shift in how the US talks about China from previous administrations. And that includes building alliances in the Indo- Pacific to deter China's aggressive expansion in the South China Sea. The US China conflict is about way more than just TikTok...