Ad War Update: Mitt Unloads In Michigan

First up, the Romney campaign ridicules Santorum for "taking one for the team" on No Child Left Behind: 

Romney also frames Santorum as an unprincipled Washington politician who lacks executive experience: 

Alex Burns reacts:

The Sotomayor criticism is notable, since she’s a figure of real popularity among some Latinos and particularly Puerto Rican voters. It’s also a bit awkward, timing-wise, since Romney justpicked up the endorsement of Tennessee Sen. Lamar Alexander, who supported Sotomayor for the Supreme Court.

After the jump, Romney dwells on the Specter wars:

Romney's Super PAC questions Santorum's "values":

Santorum's PAC responds with this new spot, the second in a series, which links Romney and Gingrich to Obama: 

Gingrich's Super PAC mocks Romney's putative "inevitability" as the establishment candidate: 

One of Ron Paul's Super PACs is raising money to run this whimsical spot:

As the GOP doubles down on its opposition to the auto bailout, the labor group AFSCME targets Romney in Ohio: 

Lastly, the American Future Fund ties Obama to Wall Street in nine key states: 

Previous Ad War Updates: Feb 23Feb 22Feb 21, Feb 17, Feb 16, Feb 15, Feb 14, Feb 13, Feb 9, Feb 8, Feb 7, Feb 6, Feb 3, Feb 2, Feb 1, Jan 30, Jan 29, Jan 27, Jan 26, Jan 25, Jan 24, Jan 22, Jan 20, Jan 19, Jan 18, Jan 17, Jan 16 and Jan 12.