Julian Zelizer : The politics of health care is changing fast . Zelizer : President Obama 's Affordable Health Care Act is gaining more support . He says many of the most prominent Republicans have switched to support the ACA . As more Americans were receiving their checks , fewer politicians in either party opposed the program . McCain : The ACA is on its way to becoming an important part 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 many of the most prominent Republicans have switched to support the ACA . McCain : The ACA is on its way to becoming an important part of the Obama presidency .