invoked their fifth amendment, including alex jones, roger stone, conservative lawyer john eastman. now, he really is a significant witness for the committee, not only for his own experience, not only for his efforts to try to get trump to do something, but mostly for what he knows about what mark meadows was up to during this time because meadows has been an elusive witness for this committee. he has stonewalled their efforts so far. they have of course referred him to the department of justice for potential contempt of congress. no charges have been filed. but for now williamson is likely the committee's best insight into exactly what the white house chief of staff was up to, as the capitol was under attack. >> thank you. we'll be right back. people everywhere living with type 2 diabetes are waking up to what's possible...