WASHINGTON — When the Senate called it quits late Sunday night, Senate Minority Leader Chuck Schumer declared there still was no deal to end the federal government shutdown and address a standoff over immigration. On Monday morning, he and many of his fellow Democrats got to yes fast. Whether it was a fresh offer from Majority Leader Mitch McConnell, moderates’ stampede away from the shutdown blowback or a Maasai “talking stick” wielded by Sen.