Republican opposition is a target for Biden's use of the Affordable Care Act's sudden popularity.

Public opinion about the Affordable Care Act has shifted, enabling Joe Biden to put Republicans on the defensive by expressing concern that the GOP might roll back the health care reform.

The Affordable Care Act was a significant factor in the Republican Party's "shellacking" in the 2010 midterm elections, and President Obama and Vice President Biden entered the second half of their first term saddled with a Republican ....