When Democrat Kathy Hochul broke a nearly century-long Republican hold on New York’s 26th congressional district yesterday, it began to look like that one election in the western part of the state was a referendum on Paul Ryan’s anti-Medicare budget plan. John Heilemann weighs in on Morning Joe: “Both national parties are not looking at this as an isolated incident, they’re looking at it as a template for what’s going to happen [in 2012].”