Today, Elizabeth Economy and Amy Zegart discuss the impact of DeepSeek’s new powerful large language models, apparently developed at a fraction of the cost of US competitors. Andrew Roberts asks what the new seismic shift will be in the nature of modern warfare. Soner Cagaptay explores Turkey’s new doctrine of drone diplomacy. And Paul Peterson asks what the rookie upstart Republican Party of the 1850s and ’60s can tell us about prospects for Elon Musk’s new third party.