Trump said Monday night that he's firing Federal Reserve Governor Lisa Cook, an unprecedented move that would constitute a sharp escalation in his battle to exert greater control over what has long been considered an institution independent from day-to-day politics.

The feud is likely to kick off a protracted legal battle that risks resetting long-established norms for the central bank's independence.

Lisa Cook is the first Black woman to serve as a Fed governor.Credit...Brittany Greeson for The New York Times Fed firing: The commerce secretary, Howard Lutnick, on Tuesday kept up the Trump administration’s attacks on Lisa Cook,