CAN
Sullivan can be forced to recuse?
Is there any mechanism to enforce judicial recusal?
https://law.stackexchange.com/questions/11648/is…
Yet there is no higher court to enforce such a recusal. In such a situation by separation of powers there can be no remedy, except the ultimate remedy of impeachment. Impeachment allows Congress to remove judges that are clearly not following the rules, including Supreme Court Justices. If there is a pattern of egregious conduct, Congress may decide to take this action.