House Republicans on Saturday pushed the government to the edge of a partial shutdown next week, insisting that President Barack Obama’s health care law be delayed a year in defiance of White House and the Democratic-controlled Senate. They rejected a Senate bill passed Friday that would keep the government operating another 45 days and make no changes to the health law. Instead, House Republicans prepared to pass their own version Saturday and throw the issue back to the Senate, which is not scheduled to return until Monday afternoon, 10 hours before the shutdown deadline. Senate Majority Leader Harry Reid, D-Nev.,...