Free trade

FILE- In this Sept. 27, 2019, file photo worker Omar Glover pickets outside a General Motors facility in Langhorne, Pa. A tentative four year contract with striking General Motors gives workers a mix of pay raises, lump sum payments and an $11,000 signing bonus. (AP Photo/Matt Rourke, File)

Ryan Piper with the United Auto Workers continues to picket after news of a tentative contract agreement with General Motors, in Langhorne, Pa., Wednesday, Oct. 16, 2019. Bargainers for General Motors and the United Auto Workers reached a tentative contract deal on Wednesday that could end a monthlong strike that brought the company's U.S. factories to a standstill. (AP Photo/Matt Rourke)

FILE - In this Sept. 25, 2019, file photo, the West Front of the U.S. Capitol in Washington. Impeachment may have leapfrogged to the top of the national agenda, but members of Congress still have their day jobs as legislators _ and they’re returning to work this coming week with mixed hopes of success. (AP Photo/J. Scott Applewhite, File)

FILE - In this June 29, 2019, file photo, President Donald Trump, left, meets with Chinese President Xi Jinping during a meeting on the sidelines of the G-20 summit in Osaka, Japan. The Democratic impeachment inquiry may give Trump extra motivation to end his trade war with China, claim credit for a policy victory and divert a little attention from a congressional investigation into his dealings with Ukraine. But the partisan wrangling will complicate Trump's ambitious trade agenda overall, including his push to win congressional approval for a revamped North American trade agreement. (AP Photo/Susan Walsh, File)

President Donald Trump meets with Japanese Prime Minister Shinzo Abe at the InterContinental Barclay New York hotel during the United Nations General Assembly, Wednesday, Sept. 25, 2019, in New York. (AP Photo/Evan Vucci)

White Lake resident D.J. Calma of White Lake, second from left and has worked for General Motors in four different plants in 12 years, chants in unison "No contract! No work!" as they circle at one of the Flint Assembly Plant entrance, blocking through traffic during the fourth day of the national UAW strike against GM on Thursday, Sept. 19, 2019 in Flint. The United Auto Workers union and its roughly 49,000 members at GM plants in the U.S. have been on strike since Monday, Sept. 16 because contract negotiations with the automaker had broken down. It's the first national UAW strike since 2007, when GM workers were out for two days. (Jake May/The Flint Journal via AP)

Democratic presidential candidate U.S. Sen. Bernie Sanders arrives onstage at the "Workers' Presidential Summit" at the Convention Center in Philadelphia Tuesday, Sept. 17, 2019. The Philadelphia Council of the AFL-CIO hosted the event. (Tom Gralish/The Philadelphia Inquirer via AP)

Britain's Prime Minister Boris Johnson, right, meets with US Vice President Mike Pence inside 10 Downing Street in London, Thursday, Sept. 5, 2019. (Peter Summers/Pool photos via AP)

Finnish Foreign Minister Pekka Haavisto, left, and European Union Foreign Policy Chief Federica Mogherini attend a joint press conference after the Informal Meeting of EU Foreign Ministers in Helsinki, Finland on Friday, Aug. 30, 2019. The topics of the meeting included the wider Middle East, the Arctic region and hybrid threats and fires raging in the Amazon rainforest. (Jussi Nakari/Lehtikuva via AP)

Britain's Prime Minister Boris Johnson gestures during his final press conference at the G7 summit Monday, Aug. 26, 2019 in Biarritz, southwestern France. (AP Photo/Francois Mori)