After initially being blocked by House Republican committee leaders, a proposal to expand the authority of non-physicians to prescribe buprenorphine ended up in the umbrella legislation on opioids that the House will vote on this week because the Drug Enforcement Agency dropped its objections to the proposal, according to a congressional aide. The proposal, pushed by Rep. Paul Tonko (D-NY), would expand medication-assisted treatment, which commonly uses buprenorphine to reduce dependence on opioids. In 2016, Congress authorized a five-year period...