In the three years since the Affordable Care Act took effect, its federally funded expansion of Medicaid to low-income adults has become the states' most powerful weapon in the battle against the nation's worsening opioid epidemic.
Now, as Congress and President Donald Trump debate potential replacements for the law, governors, health care professionals and advocates for the poor are cautioning that any cut in federal funding for addiction treatment could reverse much of the progress states have made.
