DES MOINES, Iowa (AP) - Republican governors from seven states are calling for dramatic changes to Medicaid, which provides insurance to more than 70 million low-income Americans, as they nervously watch President Donald Trump and GOP congressional leaders move to repeal and replace the Obama-era health law. At the same time, they’re telling Washington: Don’t scrap the Affordable Care Act without a viable alternative. According to a draft of the proposal obtained by The Associated Press, the governors are urging Congress to adopt an alternative that would change Medicaid from an open-ended federal entitlement to a program designed by each...