It's been just a few weeks since super-confident House Republicans proposed a budget plan that included an overhaul of Medicare. Since then, they've been confronted at angry town hall meetings and declining public opinion polls. Yesterday, they got a message from voters. New York's 26th Congressional District was carefully drawn to include a majority of suburban Republicans between Buffalo and Rochester. Last night, as Democrat Kathy Hochul scored an upset victory in a special election to replace Republican Chris Lee, her supporters chanted, "Medicare, Medicare, Medicare." Dave Weigel reports on politics for Slate.com.