The question is not whether Congress or the Supreme Court has the power to stop Donald Trump but whether they will ever use it.

Chief Justice John Roberts often laments that he has limited clout as he deals with his eight Supreme Court colleagues. “You can’t fire people if they don’t follow you. You can’t cut their pay,” he ...

In her dissent, Justice Sonia Sotomayor warned, “No right is safe in the new legal regime the Court creates. Today, the ...