By RANDY LEONARD and ERIN MERSHON CQ Roll Call
A GOP proposal to repeal and replace portions of the 2010 health care law is making its way though the House, but it faces an uncertain fate.
Republicans on both ends of the political spectrum have concerns with how various changes will affect their constituents.
To gain enough votes in the House or Senate, the overhaul, known as the American Health Care Act or AHCA, could take on aspects of competing proposals. Here's how they all compare: