Outside groups spending big for Greenfield in Iowa with primary a day away

From the Meet the Press Blog:

"In the past seven days, Women Vote! (a PAC aligned with EMILY's List), Senate Majority PAC and Greenfield’s campaign have spent almost $1.8 million on TV, [AdImpact] shows. Greenfield's top opponents, Michael Franken and Eddie Mauro, have spent just $165,000 combined."

Read the full article here.