Facebook has some rules about sharing what it deems to be news sources, when posting from Canada.
In the interest of sharing information widely concerning the clampdown being experienced in the US by the current regime, I am sharing an URL from The Guardian UK concerning the recent denial of entry of a French researcher in to the US so that my friends on FB can access it freely…
https://www.theguardian.com/us-news/2025/mar/19/trump-musk-french-scientist-detained
.. et voilá!