WASHINGTON, D.C.—It was a doubly sad day for the Supreme Court. While they were still mourning the loss of Justice Ruth Bader Ginsburg, pink slips were handed out to Justices Stephen Breyer, Elena Kagan, and Sonia Sotomayor as they were told to pack up their things and leave. “I heard about court-packing,” Trump told the press. “I looked into it, and it ends up you can change the number of justices on the Supreme Court! Some people say it's bad, very bad. But I think it may be actually very good, really. We're trying to cut costs and get the...