Fans and experts consider whether the artist may have been neurodivergent. Plus: inside the biggest Irish dancing challenge in the world. Here’s what to watch this evening Fans and experts consider whether the artist may have been neurodivergent. Plus: inside the biggest Irish dancing challenge in the world. Here’s what to watch this evening 9pm, BBC Two JMW Turner is an enigma. But while he didn’t leave behind a diary, he did leave 37,000 private sketches that give clues to his character – and