A sidebar to the story of the ISIS-affiliated Somali men convicted on terrorism charges last year in federal district court in Minneapolis: one of the men who pleaded guilty and cooperated with the prosecution had worked on the tarmac at Minneapolis–St. Paul International Airport (MSP) and could have done serious harm. So had the one who turned informant and was never charged in the case. When his FBI interlocutors persuaded him to turn, he had a question for them: “Can I get my job at the airport back?” That’s not all. In his March 29, 2016 Star Tribune story, Stephen...