Partial federal shutdown seems increasingly likely as Democrats demand major changes to ICEWASHINGTON (AP) — As a partial government shutdown looms at week’s end, Senate Democratic leader Chuck Schumer has laid out a list of demands for the Department of Homeland Security, including an enforceable code of conduct for federal agents conducting immigration arrests and a requirement that they identify themselves to the public. With no evident negotiations underway, a partial shutdown appeared increasingly likely starting Saturday. “None of this is revolutionary,” said Murphy, the top Democrat on the subcommittee that oversees homeland security spending. Many obstacles to a dealDespite some conversations among Democrats, Republicans and the White House, it was unclear whether there could be a resolution in time to avoid a partial shutdown. Even if the Senate could resolve the issue, House Republicans have made clear they do not want any changes to the bill they have passed.