California, the union's largest state for manufacturing, says the executive branch lacks the constitutional authority to enact tariffs.

International students are rushing to ask U.S. judges to block immigration officials from deporting them after President Donald Trump's administration began revoking the rights of thousands of student visa holders to remain in the U.

The US government has threatened to ban Harvard University from enrolling foreign students, after the institution said it would not bow to demands from Donald Trump's administration. The White House has demanded the oldest university in the US make changes to hiring,

Harvard University said it would refuse to hand over student data to the US government after Donald Trump’s administration threatened to cancel the visas of its foreign students. The Ivy League university rejected the government’s demands a day after the president launched a move to begin stripping it of its tax-exempt status,