Rick Perry’s chances of winning the White House—or even the primary—are slim, but it’s not for lack of exposure. The Texas governor has spent $2.86 million in December alone on TV ads in Iowa. In fact all of the Republican candidates have outspent their predecessors in advertising during this campaign. Together, each of the GOP presidential hopefuls and the political action committees that love them have shelled out more than $10 million in radio and TV advertisements in Iowa this month. After Rick Perry, Mitt Romney’s super PAC has spent the second most on ads—$2.85 million. As the candidates get ready for the caucuses this week, ads are expected to get heavier—and nastier.