Everything Republicans will have to do to actually repeal and replace Obamacare, explained (Vox)

“Repeal and replace Obamacare.” It’s a simple, clear, crisp campaign slogan. Now that Republicans are set to assume unified control of government, they’re discovering it’s an incredibly complicated reality.
http://www.vox.com/2017/1/13/14194538/obamacare-repeal-replace-vote-process