Most groups ' health care ads were soundly opposed to the law . PACs , campaigns have spent about $ 70 million on health care ads since January 2013 . Listed among the groups that spent the most : $ 30 million on ads supporting the new law . Most money went to ads opposed to the law , a CNN data analysis showed . Conservative Crossroads Grassroots Policy Strategies spent the most : $ 14.9 million .
PACs , campaigns have spent about $ 70 million on health care ads since January 2013 . Listed among the groups that spent the most : $ 30 million on ads supporting the new law . Most money went to ads opposed to the law , a CNN data analysis showed . Conservative Crossroads Grassroots Policy Strategies spent the most : $ 14.9 million .