Senate Republicans are worried about the precedent that Senate Democrats have set for future funding fights as the shutdown continues into its 20th day. Senate Minority Leader Chuck Schumer , D-N.Y., and the Democratic caucus have dug in deep on their demand for an extension to expiring Obamacare subsidies and have worked to spin the narrative from a battle to fund the government to a fistfight for healthcare. But it’s been over three weeks since Schumer and Democrats blocked Republicans’ first