The Republican presidential candidates are embroiled in one of the most bitter nomination fights in recent history. With the Iowa Caucus just 10 days out, the campaigns and their SuperPACs are in full battle on the airways.
Here is a sampling of the estimated $3+ Billion the Reps are expected to spend on advertising.
Produced by pro-Rubio SuperPAC
Anti-Bush Ad: "Train Wreck"
Produced by pro-Bush SuperPAC
Rite to Rise
Anti-Rubio Ad: "Boots"
Produced by pro-Rubio SuperPACConservative Solutions
Anti-Christie Ad: "Favorite"
Produced by pro-Kasich SuperPAC
New Day for America
Anti-Trump Ad: "Hippo-Crit"