Mr. Trump has been a vocal critic of temporary worker visas. In October, his administration announced new rules for the H1-B program, substantially raising the wages that U.S. companies must pay foreign hires and narrowing eligibility criteria for applicants.The Justice Department has rarely sued tech companies on the issue, though other agencies have accused the firms of racial or gender bias. In 2016, the Labor Department sued the data firm Palantir, alleging bias against Asians. The Labor Department separately sued Google to reveal data on hiring based on gender, race, religion and sexual orientation.According to its complaint, …
