(0:00) The Besties welcome Travis Kalanick and Keith Rabois! (3:02) Travis on Pony.ai / Uber rumors and the state of Cloud Kitchens (18:51) xAI launches Grok 4, learning "The Bitter Lesson" in AI (40:36) How Grok can catch ChatGPT in usage, OpenAI's product excellence (46:27) Perplexity and OpenAI building AI-native browsers and taking on Chrome (58:01) Elon's "America Party": is now the right time for a third party, and could he make an impact in 2026? (1:13:12) SCOTUS backs Trump over federal government R ...