American Crossroads reported some big new TV ad buys last night:
- CO-SEN: $534,000 against Sen. Michael Bennet, D.
- OH-SEN: $261,000 against Lee Fisher, D.
- KY-SEN: $235,000 against Jack Conway, D.
- IL-SEN: $483,000 against Alexi Giannoulias, D.
The polls have Democratic candidates trailing in all four contests.
Meanwhile, in MO-SEN, the League of Conservation Voters has added three more campaign workers in Missouri to support Robin Carnahan, D, for a total of 17.