The U.S. Supreme Court has ruled that Donald Trump will remain on the Colorado ballot as the presumptive Republican presidential nominee for this November’s election. The court overturned a ruling by the Colorado Supreme Court to disqualify Trump over his role on January 6th. But if the decision by a Republican-leaning court in a momentous case was expected, it also raised some unexpected dilemmas about who ultimately has the authority to disqualify a Presidential candidate.

Owen Fairclough reports from Washington D.C.