It shouldn't have been a difficult decision. During his Tuesday State of the Union address, President Donald Trump issued a challenge to the members of Congress before him. "If you agree with this statement, then stand up and show your support," he said. "The first duty of the American government is to protect American citizens, not illegal aliens." Republicans stood and applauded. Democrats didn't budge from their seats. It was a striking contrast. Trump knew it, too. "You should be ashamed of yourself, not standing up," he told Democrats. Imagine telling someone a week ago that congressional Democrats wouldn't publicly...