Senator McCaskill Opens Investigation into Opioid Manufacturers / CNN.com March 30, 2017 Chris Aguirre via CNN Missouri Senator Claire McCaskill has launched an investigation into some of the country's leading prescription drug manufacturers, demanding documents and records dating back the past five years which indicate just what the companies knew of the drugs' risk for abuse. Source: http://www.cnn.com/2017/03/28/health/senat...