In this video, Sen. Chuck GrassleyChuck GrassleyWhite House clarifies: We condemn all violence Republican lawmakers criticize Trump response to Charlottesville Grassley reverses ‘expectation’ of Supreme Court vacancy this year MORE makes the case for extending the Trade Provisional Authority, legislation that gives the president say in negotiating trade agreements. Grassley said reauthorizing the act will help improve foreign relations with other countries.

Read Grassley's op-ed on the subject here