The cases revolve around the Constitution’s once-obscure emoluments clauses, which critics say President Trump has flouted, giving foreign diplomats an opening to curry favor with him by patronizing his businesses.
On Monday, a panel of judges on the D.C. Circuit Court of Appeals will hear oral arguments over whether members of Congress can sue the president for alleged emoluments violations, and on Thursday, the full 4th Circuit Court of Appeals will hear arguments over whether state attorneys general can bring their own case.