A Newsnight special on the British nuclear tests scandal in the Pacific in the 1950s and 60s. Veterans accuse the government of withholding medical records that could link their health issues, and those of their children, to the radiation they were exposed to during military service. Also, as the government faces a rebellion from its own MPs over cuts to benefits, we can reveal that unease over next week's vote has reached the cabinet. With Victoria Derbyshire.