Commentary The campaign to define supporters of opposition leader Donald Trump as “domestic terrorists” took a new turn this week when a center-right publication argued that American citizens should be treated like the Islamic extremists responsible for the 2001 World Trade Center and Pentagon attacks. “We defeated al Qaeda and can do the same to the fascist thugs who attacked our democracy last month,” former CIA officer Kevin Carroll wrote in the Washington Examiner. “But only if we take similar hard measures against the enemy within.” The Jan. 6 protest, which saw sporadic violence, has been used by left-wing media organizations, segments of the national security establishment, and other Democratic Party institutions as a pretext to send federal law enforcement after the more than 74 million Americans who did not vote for Joe Biden. The ghoulish campaign is nakedly partisan, or the same institutions would have pushed to define as …