Martin Cooper of Bromley offers a deceptively simple diplomatic proposal that contains a genuine structural insight. If nations wish to engage with the Taliban, he suggests, they should staff all diplomatic posts with women and insist on negotiating exclusively with women counterparts. The logic is clean: if the Taliban want legitimacy, they accept the terms that legitimacy requires. The proposal functions as a forcing mechanism rather than a sanction. Traditional diplomatic engagement with the Taliban risks normalizing their governance model — including the near-total erasure of women from public life — in exchange for geopolitical access. Cooper's idea inverts this: instead of trading human rights for engagement, it embeds human rights into the engagement mechanism itself. The Taliban either deal with women as equals or forgo the international recognition they seek. Whether this is operationally viable is another question entirely. The Taliban have systematically excluded women from education, employment, and public space since retaking power in August 2021. Insisting they negotiate with female diplomats would likely produce a flat refusal, effectively functioning as a de facto diplomatic boycott dressed in procedural clothing. That might be the point. Elsewhere in the Guardian letters page, the mood shifts considerably. Rachel Papworth of Brighton and her friend Nic Ford have coined "apranxiety" — a portmanteau of apricity (the warmth of winter sun) and anxiety — to describe the emotional register of extreme weather conversation now that climate has become a culture-war battleground. Jim Grindle of Formby reports that soapwort, a weed he once fought to eliminate, has flourished in current climatic conditions, its pink flowers now a delight. Christopher Osborne of West Bridgford delivers a dry historical correction: Thomas Paine cannot turn in his grave because his remains were dug up in 1819, ten years after burial, and their whereabouts remain, as Osborne puts it, "a bone of contention." Murray Gray of Harleston takes aim at Reform's proposed £50bn welfare cut with a single sentence: "Sounds like something you would put on the side of a bus" — a pointed reference to the Vote Leave campaign's infamous £350m NHS claim. The Cooper letter stands out because it treats diplomacy as design rather than mere negotiation. Most diplomatic engagement with authoritarian regimes accepts the regime's internal rules as fixed constraints and works around them. Cooper's proposal refuses that framing entirely. The question is whether any government would actually implement it — or whether it remains, like many elegant letters-page ideas, a thought experiment that clarifies what we're actually trading away when we engage on the Taliban's terms.