Elena Kagan clerked under Supreme Court Justice Thurgood Marshall. But apparently she didn’t learn very much. And as a consequence she should not be confirmed to the Supreme Court herself. This is not about partisanship, it is about principle. It is not because she is a liberal, it is because she is not true to the court and its rulings. Much ado was made about her appearance last week before the Senate Judiciary Committee. We saw all sorts of pictures on the evening news of her making funny faces, and vacuous reporters weighed in on how she had handled the...