European Commissioner for Competition Margrethe Vestager talks with Recode's Kara Swisher in front of a live audience at South by Southwest 2019.In this episode: America's newfound appetite for tech regulation; why Vestager doesn't agree with Elizabeth Warren's "break them up" pitch; how Vestager assesses her tenure; why Big Tech is like pesticides; does GDPR favor larger companies?; the big problem with smart home devices; Mark Zuckerberg's pledge to pivot Facebook toward privacy; what Vestager will do after her current term ends; ethics in AI; why has there not been a tech giant out of Europe; what the next commissioner for competition should focus on; countering the forces of populism and nationalism; and the shifting priorities of antitrust.