TPM rounds up Iowa ads, like the one above:
[Gingrich is] getting brutally outspent by Rick Perry, Mitt Romney, and their respective independent Super PACs. According to MSNBC, pro-Romney Super PAC Restore Our Future is outspending Gingrich $713,000 to $21,000 this week, though Gingrich is planning to fight back with a larger buy next week.
The Dish 