On this edition of Wall Street Week, Former US Treasury Secretary Lawrence H. Summers says that the SEC and exchanges should look into the surge in the VIX. DWS Americas CIO David Bianco says that the spike in volatility is evidence of investors overreacting. Harvard professor of economics Greg Mankiw says that the 
US is leaving the next generation a negative bequest. WestExec Advisors co-founder Michèle Flournoy says that there is already an AI arms race underway, and SandboxAQ CEO Jack Hidary explains why the larger economy needs large quantitative artificial intelligence models.