The Sunday Times’ tech correspondent Danny Fortson brings on Dennis O’Malley, head of cannabis startup Caliva, to go from the buttoned-up corporate world to the weed industry (2:45), the ‘green rush’ (5:10), running a federally illegal business (7:50), the friction involved with buying weed products (13:00), their target market (14:40), raising $75m (16:30), charting a path toward legitimacy (20:00), partnering with Jay Z (22:30), trying to replace alcohol and pharma (29:10), not being able to advertise (34:15), the vaping crisis (38:35), whether it will ever go mainstream (40:30), the coming green crash (46:15), whether he needs black market expertise (48:15), his worst day of work (50:40), and whether filter bubbles help (55:20).