What is the fine-grained topic of the following text: She was part of his presidential odyssey right from the beginning and will be missed, even by Chief of Staff John Kelley who would use her to tell the president he was wrong without a tweeted retribution She has now resigned, the day after a marathon eight hours of questioning by the House Intelligence Committee. Only return the topic.
Resignation of a member of the President's staff after questioning by the House Intelligence Committee