Newark Mayor Ras Baraka filed a lawsuit today against interim U.S. Attorney for New Jersey Alina Habba and a Department of Homeland Security investigator, alleging that she defamed him and they both violated his constitutional rights when he was arrested at a federal immigration detention center last month.

Some of the challenges are self-inflicted, but a fresh set of court rulings questioning the president’s authority to enact tariffs hangs over his trade agenda.

China and the United States are accusing each other of reneging on their tariff truce as tensions rise over rare earths exports, computer chips and student visas.

China has accused the United States of “provoking new economic and trade frictions” as it responded to US President Donald Trump’s claims that Beijing had violated a trade truce agreed by the two nations last month,

President Donald Trump is using his love of tariffs to threaten high-profile American companies. Over the past month, Trump has said he’d like to target two specific and very different companies — Apple and Mattel — with tariffs aimed at their key products over comments by their CEOs.

A new report finds that US manufacturers are struggling to find their footing as President Donald Trump works through tariff negotiations.

The administration asked a U.S. appeals court to pause a second court ruling that found the president had exceeded his authority by imposing sweeping tariffs on imports.