National security eyebrows shot up last month when a former FBI counterintelligence special agent received a four-year prison sentence. Why? He had gone to work for a Russian oligarch, a sanctioned oligarch no less. Robert McGonigal had headed the New York field office counterintelligence work. For some of the lessons everyone with clearance should learn from this, the Federal Drive with Tom Temin talked with attorney Dan Meyer, managing partner at Tully Rinckey.