The probe may do more for the attorneys general than for the public they’re supposed to protect.
An obscure provision of the Clean Air Act has become the basis for a sweeping effort to fight climate change. But is it constitutional?
How lawmakers championing states' rights and small businesses came to endorse government-sanctioned cartels
The federal government can’t regulate everything under the sun—and that’s good.
Washington is expanding its power by turning state governments into instruments of federal policy.