Red White and Blue Fund, the pro-Rick Santorum super PAC, has placed a $652,000 ad buy in Michigan, NBC reports. But Romney’s spending in the state still dwarfs Santorum’s. University of Michigan political science professor Arthur Lupia told TPM this week that advertising will be key to a potential Santorum win in Michigan.
But even with this ad buy, Santorum still faces an uphill battle against Romney in Michigan.