Vincent Souriau

Vincent Souriau is not mentioned in either of the provided news articles. Therefore, it is impossible to provide any information about him, his background, his current newsworthiness, or any recent events related to him based on the given text. The articles discuss protests in the United States against the American president and a judge's decision to overturn restrictive measures imposed by the Pentagon on press access to information. These topics are unrelated to any individual named Vincent Souriau.