G. Kline Preston, IV, who introduced Russian operative Alexander Torshin, to the NRA's David Keene, has ties to Republican Congresswoman Marsha Blackburn and her son-in-law, Paul Ketchel, a Nashville healthcare entrepreneur. https://t.co/Hjb7EYDYVt via @tennessean— UsHadrons (@ushadrons) June 13, 2019