Trump’s National Guard deployments reignite 200-year-old legal debate over state vs. federal power
- Written by Andrea Katz, Associate Professor of Law, Washington University in St. Louis
Demonstrators in Portland, Ore., protest on Oct. 4, 2025, against President Donald Trump's plan to deploy the National Guard to the city.Spencer Platt/Getty ImagesIf you’re confused about what the law does and doesn’t allow the president to do with the National Guard, that’s understandable.
As National Guard troops landed in...


