Ben dives into the Defense Department's modernization plan and how the US is keeping up with China, its "pacing challenge" in the 21st century. Then, Mark Cancian, senior adviser at the Center for Strategic and International Studies, joins the show to talk about whether the US and its allies could defeat a Chinese invasion of Taiwan, if America could fight and win a two-front war, and the evolution of the defense industrial base. Plus, the "Threat of the Week."