Earlier quoted context omitted.
To give the majority opinion its own voice: > The President enjoys no immunity for his unofficial acts, and not everything the President does is official. The President is not above the law. But Congress may not criminalize the President’s conduct in carrying out the responsibilities of the Executive Branch under the Constitution. And the system of separated powers designed by the Framers has always demanded an energ…
Then it sounds like Sotomayor is being extreme by conflating domestic political assassinations as an "official act." Does she not understand the difference?
I could see the argument being made that yes, that's an official act. You'd have to argue why it's okay for a President to abandon their oath of office.