AP FACT CHECK: Trump actions threaten those he wants to help

Repeal could end coverage for 1.8 million people who have undergone addiction or mental health treatment, and cut $5.5 billion in spending on such services, according to estimates by economist Richard Frank, a former Obama administration official now at Harvard Medical School.

Broadly speaking, Republicans want to transform the health insurance program for low-income people from an open-ended federal entitlement to a system that provides states with a limited amount of financing and gives them latitude on how to spend it.