Arizona legislature approves Medicaid expansion After a months-very long, high-stakes political battle, Arizona lawmakers endorsed a Medicaid expansion plan backed by Gov dmae dmae.xyz . Jan Brewer. The Associated Press: Arizona Gov. Jan Brewer, after an extended fight over Medicaid growth that divided the state's Republican leadership. The expansion that may extend healthcare to 300,000 more low-income Arizonans arrived after months of stalled negotiations, tense debates and political maneuvering as Brewer pushed the Medicaid proposal through a hostile Legislature .