'Mr. Speaker:' New sergeant-at-arms takes over
Wilson Livingood retires after 17 years, 3 presidents
POSTED: 10:16 AM PST February 12, 2013
UPDATED: 10:54 AM PST February 12, 2013
After 17 years and three presidents, the House sergeant-at-arms is stepping aside for this year's State of the Union.
