China trade war threatens the Port of L.A.

The Port of Los Angeles, the largest port in the United States, is caught in the crossfire of the U.S.-China trade war. China trade accounts for roughly 60% of its traffic, and this latest round of tariffs, effective September 1st, is prompting concern from the port's executive director. Jessica Smith joins Yahoo Finance’s Jen Rogers, Andy Serwer, and Myles Udland to discuss.