Dawn Elizabeth Johnsen is an American lawyer and professor of Constitutional law, who is currently on the faculty at Maurer School of Law at Indiana University in Bloomington, Indiana. She worked at the Office of Legal Counsel in the United States Department of Justice from 1993 to 1998 and served as acting Assistant Attorney General from 1997 to 1998; she was twice nominated to the post in the Obama Administration. Wikipedia*
On the C-SPAN Networks:
Dawn Johnson has one video in the C-SPAN Video Library; the first appearance was a 2008 Senate Committee.