I didn't know but do now - The third rail of a nation's politics is a metaphor for any issue so controversial that it is "charged" and "untouchable" to the extent that any politician or public official who dares to broach the subject will invariably suffer politically. (wikipedia)

speaking of wikipedia as we were! - Wikipedia Prepares for 'Increase in Threats' to US Editors From Musk and His Allies The Wikimedia Foundation is building new tools that it hopes will help Wikipedia editors stay anonymous in part to avoid harassment and legal threats as Elon Musk and the Heritage Foundation ramp up their attacks on people who edit Wikipedia. Some of the tactics have been pioneered by Wikimedia in countries with authoritarian governments and where editing Wikipedia is illegal or extremely dangerous.

Last month, Forward obtained a document created by the Heritage Foundation called “Wikipedia Editor Targeting,” which set a goal to “identify and target Wikipedia editors abusing their position by analyzing text patterns, usernames, and technical data through data breach analysis, fingerprinting, HUMINT (human intelligence), and technical targeting.” (read on)