There is no such thing as "good enough" encryption once a backdoor has been added, Christopher Mims writes in his tech column in The Wall Street Journal. "I’m going to say this as plainly as possible, since the message doesn’t seem to be getting through: If we compromise the security of our computing devices in a misbegotten attempt to stem criminal behavior or terrorism—as some in law enforcement and government suggest we do—then, we deserve what will follow," Mims contends. Read the original story from The Wall Street Journal.