House Oversight and Government Reform Committee ranking Democrat Elijah Cummings (MD) on Thursday (Oct. 19) began investigating reports that health plans and pharmacy benefit managers make it difficult for people to get less-addictive pain killers while making it easier for them to get cheaper, highly-addictive drugs. According to a September investigation from the New York Times and Pro Publica , most prescription drug plans offered under the Medicare Part D prescription drug benefit cover common prescription opioids without limitation...