This interview podcast features Ricky Mulvey interviewing Lionel Barber, author of "Gambling Man," a biography of Masayoshi Son, founder and CEO of SoftBank. The conversation explores Son's business strategies, characterizing him as a "fool" who disrupts norms and takes significant risks, exemplified by his massive investments in Alibaba and Arm Holdings. Barber discusses Son's strengths as an investor versus his weaknesses as a trader, highlighting the risky options trading that led to substantial losses. The interview also touches upon Son's vision for AI and the challenges facing Europe's technological competitiveness. Ultimately, Barber cautions listeners against investing their life savings in SoftBank due to its volatility, suggesting a strong stomach is needed for such an investment.