Luke Russert reviews the week in politics


Host Luke Russert sits down with NBC's Carrie Dann and Mark Murray to look back at the highs and lows of the second Republican presidential debate. He also previews the Pope's visit to the U.S., discusses John Boehner's chances at remaining House Speaker, and has a special report on the 9/11 First Responders bill that could languish on Capitol Hill. The Briefing airs Fridays at 10am ET on Shift.