Before the Russian Airbus 321 was blown apart 30,000 feet over the Sinai by what a growing consensus of intelligence experts believe to be a bomb planted by a passenger or airport worker, a man who would later fight and die for the Islamic State (IS) worked at the Minneapolis airport with security clearance and access to the tarmac and aircraft. It could have happened here. It may yet. As Investor’s Business Daily reported in September, 2014: Fox affiliate KMSP-TV in Minneapolis-St. Paul has reported the case of Abdirahmaan Muhumed, who, before he went to Syria to fight and die...