On Obamacare some Republicans gave up, some talk tough but got nowhere. For all the Republican talk about dismantling the Affordable Care Act, one Republican presidential hopeful has actually done something. Marco Rubio. Rubio conceived and pushed a plan that will all but kill Obamacare. Marco Rubio: conservative, smart, results. No wonder he's the one that Hillary's afraid to run against. Conservative Solutions PAC back is responsible for the content of this advertising.