A legal argument that the US Supreme Court used to foil
During Biden’s presidency, the court’s conservative majority ruled that federal agencies can’t decide sweeping political and economic matters without clear congressional authorization. That blocked the Environmental Protection Agency from setting deep limits on power-plant pollution and the Education Department from slashing student loans for 40 million people.
The concept — known as the “major questions doctrine” — is now playing a central role in the case against Trump’s unilateral ...