Dear presidents of the Tri-societies: ASN, SSB and SSE, We, Tri-society members and/or biologists, are deeply disappointed by your recent letter "Letter to the US President and Congress on the Scientific Understanding of Sex and Gender" issued last Wednesday, Feb 5, 2025, in response to Trump's executive order “Defending Women From Gender Ideology Extremism And Restoring Biological Truth To The Federal Government”. While we agree that Trump’s executive orders are misleading, we disagree...