The Senate will vote next week on the latest bill to repeal Obamacare — but the outcome is anything but certain. Majority Leader Mitch McConnell plans to put a bill written by Lindsey Graham (R-S.C.) and Bill Cassidy (R-La.) to a vote, hoping that a looming Sept. 30 deadline to pass the bill with just 50 votes will create enough pressure to finally pass a repeal of the health care law, his office said.