On this week’s Tech Nation, the 1998 Tech Nation interview with the late Jim Lehrer, longtime news anchor of the PBS Newshour, about “The tensest, most anxiety ridden experience” he “ever had interviewing anybody about anything”. Then on BioTech Nation, the need for early detection of cancer. Cancer UK’s Dr. Wendy Alderton and Dr. Mike Fisher from Oncimmune talks about the current state of cancer diagnostics, and Dr. Arthur Sands, CEO of Nurix Therapeutics, discusses their new approach to treating cancer.