KFF Health News senior correspondent Angela Hart appeared on Spectrum News 1’s “LA Times Today” last week to explain how California is trying to help hard-drug users kick their habit by paying them to stay clean. California was the first state to expand access to this cutting-edge addiction treatment, called “contingency management,” in its Medicaid program. Washington and Montana have since followed. California is focusing on stimulants like meth and cocaine. Under the program, participants must pee into a cup regularly, and if the urine is free of stimulants, they get paid with a gift card, …