Silicon Valley leaders warn that falling behind in artificial intelligence poses a greater danger to U.S. tech firms than any tariff fight. Backed by a July White House action plan and billions in private spending, AI has become the rare issue uniting Washington, Wall Street and the Valley.

A recent Supreme Court ruling has curtailed judges’ power to issue nationwide injunctions, prompting plaintiffs to rethink their legal strategies. Previously, more than 1,000 judges could halt federal policies across the country, but now their rulings will apply only to the specific plaintiffs involved.