How could anyone object to Trump’s declassification of the files related to the assassination of President John F. Kennedy? Americans deserved to know the whole truth, whatever it was, at the time, and the fact that it has been hidden for over sixty years now has only led to a proliferation of conspiracy theories and ever-increasing suspicion of government narratives on any and every subject. Now, suspicion of the government is entirely warranted, as Thomas Jefferson and James Madison would be the first to tell you, and Trump’s decision to release the files is a long-delayed act of transparency. But...