WASHINGTON—The State Department is warning US diplomats of attempts to impersonate Secretary of State Marco Rubio and possibly other officials using technology driven by artificial intelligence, ...

WPP shares sank Wednesday on the advertising giant’s second profit warning of the year, as it said clients were spending less ...

Trump had already doubled down on his tariff threats early on Tuesday, posting on Truth Social that there will be no extensions and payments will be due on Aug. 1. "There has been ...