What are the differences between NAFTA and the USMCA?

The Senate has passed a new trade agreement among the U.S., Mexico and Canada. The USMCA, as it's now called, is meant to replace the North American Free Trade Agreement, and it does change or replace some important provisions -- but critics say it is hardly the overhaul that was once advertised. Amna Nawaz reports and speaks to Lori Wallach of Public Citizen's Global Trade Watch.