Zelizer : The politics of health care is changing fast . Zelizer : President ACA 's Affordable Health Care Act is gaining more support . He says about 104,000 of the most prominent Southern have switched to support the ACA . Julian Zelizer : The ACA is on its way to becoming an important legacy of the Obama presidency .
Julian Zelizer : The politics of health care is changing fast . Zelizer : President Obama 's Affordable Health Care Act is gaining more support . He says two of the most prominent Republicans have switched to support the ACA . Zelizer : The ACA is on its way to becoming an important legacy of the Obama presidency .