thanks very much for joining us. you are right on point with the hearing. the subject of the hearing today. a couple of things you expose in your book. you right about the president having month qualms about killing al alaki in yemen. the american, of course, who was involved with allegedly involved with the christmas bomber. you said that he had become fixated on taking out the charismatic cleric, and you write that his focus was so intense that one of his briefers, general james cartwright, the former deputy national security advisor, thought that deputy joint chief of staff chair of the joint chief thought that the obama s rhetoric was starting to sound like george w. bush s, whom he had briefed on many occasions. what is clear that the president found the american citizenship s immaterial. can you expand on that? well, andrea, it was really striking to me as he was reporting the book, the president was really concerned and sort of twisted up about, you know, issues like prevent