Two civil servants are being sued by a colleague who claimed their belief that transgender individuals cannot change their biological sex is discriminatory. The lawsuit represents the latest clash in Whitehall’s ongoing “culture wars,” where civil servants who assert that sex is immutable claim they are being targeted in a “witch hunt” led by “bullies with a dangerous agenda.” The case, set to be heard in court on Tuesday, will determine if the claimant can remain anonymous. At the centre of the dispute is the Sex Equality and Equity Network, an independent body linked to the Department for En…