The latest business coalition to sue over President Trump’s International Emergency Economic Powers Act tariffs is sparring with the Justice Department over whether its case can move forward in Texas or must instead be transferred to the Court of International Trade, testing plaintiff attorneys’ strategy of seeking decisions on the tariffs from as many courts as possible. Both sides in the tariff suit, titled FIREDISC, et al., v. Trump, have lodged a blitz of legal filings with the U.S. District...