US District Court Judge Jeffrey S. White has stopped implementation of new rules that would change the eligibility and processing of H-1B visas, which are an important tool that US industry and academia use to hire international scientists. A coalition of companies and universities had sued to stop the changes, which they say violate government rules requiring notice of and a chance to comment on policy changes. They claim the changes would hurt their ability to hire international scientists for temporary jobs that cannot be filled by US citizens or permanent residents. “Higher education institutions and businesses are competing with institutions from around the world for the best minds, and we need to ensure that our immigration rules enhance, rather than deter, our ability to compete,” Miriam Feldblum, executive director of the Presidents’ Alliance on Higher Education and Immigration, says in a statement. In June, President Donald J. Trump issued