Drawing parallels to the United Kingdom’s exit from the European Union, the Joint Economic Committee’s Democratic members on Monday said economic uncertainty fueled by President Trump’s trade policy could cost U.S. manufacturers $490 billion by 2029. Brexit, the minority members of the panel say in a new report , led to “heightened trade uncertainty, with questions swirling around the process, timeline, and terms” of the UK’s departure from the EU. Meanwhile, the Trump administration since April has made about 100...