Carl Bildt

Carl Bildt is not mentioned in any of the provided news articles. Therefore, it is impossible to provide a summary of his background, current newsworthiness, recent events related to him, or his current relevance based on the given information. The articles discuss the death of Carlos Westendorp, US foreign policy, and Marco Rubio's interactions with European officials at the Munich Security Conference. None of these topics directly involve or mention Carl Bildt.