U.S. Commander: Toughest Fighting Lies Ahead In Mosul

The U.S. commander in charge of advising Iraqi troops says the most difficult part of the offensive to retake Mosul from ISIS will be the fight for the final neighborhoods held by the group.

Here & Now's Jeremy Hobson speaks with Washington Post reporter Thomas Gibbons-Neff (@tmgneff), who has been in the city covering the offensive, which started last October.