Threats to America's critical infrastructure are now a terrifying reality

On Jan. 31, FBI Director Christopher Wray testified before Congress, explaining how Chinese government hackers were trying "to find and prepare to destroy or degrade the civilian critical infrastructure that keeps us safe and prosperous." These hackers, Wray continued, "are positioning on American infrastructure in preparation to wreak havoc and cause real-world harm to American citizens and communities, if or when China decides the time has come to strike." Wray's testimony offered a glimpse into the frightening possibilities attacks on U.S. critical infrastructure might unleash. But the truth is actually scarier: The American homeland has been under attack for the…