The justices seemed split on whether Congress can allow suits against states that discriminate against injured service members returning from conflicts.

WASHINGTON — A Supreme Court argument on Tuesday about an Army reservist injured by burn pits in Iraq turned into a seminar on the scope of Congress’s war powers, federalism, the Vietnam War and Russia’s invasion of Ukraine.

“This has the potential of being a pretty important case for the structure of the United States of America,” Justice Stephen G. Breyer said as the argument progressed.

Justice Brett M. Kavanaugh said the court’s decision could have immediate significance for military readiness. “We don’t know what’s going to be happening over the next 50 days in terms of national security and personnel,” he said. Continue reading here…