The article is in French, but easily auto-translated (and it's the best non-biased source I found).
> "I learned with concern that a French researcher" on assignment for the French National Center for Scientific Research (CNRS) "who was traveling to a conference near Houston was denied entry to the United States before being expelled ," said the Minister of Higher Education and Research, Philippe Baptiste, in a statement sent to Agence France-Presse (AFP). "This measure was apparently taken by the American authorities because the researcher's phone contained exchanges with colleagues and friends in which he expressed a personal opinion on the Trump administration's research policy ," he added.
At some point we're going to have to debate where to run "western" scientific conferences. I can see Europe/Canada and US/Russia blocs emerging, I'm curious with whom other countries will align.
> "I learned with concern that a French researcher" on assignment for the French National Center for Scientific Research (CNRS) "who was traveling to a conference near Houston was denied entry to the United States before being expelled ," said the Minister of Higher Education and Research, Philippe Baptiste, in a statement sent to Agence France-Presse (AFP). "This measure was apparently taken by the American authorities because the researcher's phone contained exchanges with colleagues and friends in which he expressed a personal opinion on the Trump administration's research policy ," he added.
At some point we're going to have to debate where to run "western" scientific conferences. I can see Europe/Canada and US/Russia blocs emerging, I'm curious with whom other countries will align.