Sen. Claire McCaskill, D-Mo. listens on Capitol Hill in Washington. McCaskill is seeking information from manufacturers of the top-selling opioid products in the United States to determine whether drugmakers have contributed to an overuse of the pain killers, with a few very notable exceptions. (AP/J. Scott Applewhite)

Senator’s Probe Into Opioid Makers Omits Largest Manufacturer From Her Home State

A Missouri senator recently opened an investigation into the pharmaceutical industry’s role in the nation’s burgeoning opioid addiction epidemic, but notably omitted one of the biggest opioid manufacturers from the probe. The company happens to be based in her home state.