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Colorado Senate (tip sheet)

• The Democratic Senatorial Campaign Committee criticizes former Rep. Bob Schaffer (R) for his ties to the petroleum industry in "Silent Bob."

• Freedom's Watch, a conservative foreign policy group, attacks Democratic Rep. Mark Udall for his onetime support of a bill that would have created a "Department of Peace."

• Meanwhile, in "Record," the National Republican Senatorial Committee hits Udall for his positions on taxes, energy and defense.

• The Club for Growth also gets in on the action against Udall, accusing him in "Property" of making it "easier for government to take private property" from Colorado citizens.

Louisiana Senate (tip sheet)

• Republican challenger John Kennedy alleges that Sen. Mary Landrieu (D) swapped political favors for campaign donations with a lobbying firm in "Fundraiser."

• In "Pennies," Landrieu attacks Kennedy over a report showing he cost Louisiana $37 million in potential revenue as treasurer.

Maine Senate (tip sheet)

• Democratic Rep. Tom Allen touts his accomplishments as a congressman in "Effective."

• Meanwhile, in "Jobs For Maine," GOP incumbent Susan Collins presents her successes in bringing good jobs to the state.

New Hampshire Senate (tip sheet)

• The Club For Growth slams former Gov. Jeanne Shaheen's record, criticizing the Democratic challenger's support of new taxes and opposition to lawsuit reform in "Add Up."

• The NRSC also released a spot criticizing Shaheen's record on taxes.

New Mexico Senate (tip sheet)

• Democratic Rep. Tom Udall's attack ad depicts Rep. Steve Pearce (R) as "Polly" the parrot, simply repeating what Big Oil says.

North Carolina Senate (tip sheet)

• In "Game," the DSCC tries to discredit an attack ad run by GOP incumbent Elizabeth Dole against state Sen. Kay Hagan (D) over energy prices, arguing that Dole is the one really tied to Big Oil. "Gas Station" is another DSCC energy attack on Dole.

• The NRSC uses a Dr. Seuss-style cartoon to criticize Hagan on tax hikes in "Pedal."

South Dakota Senate (tip sheet)

• Republican challenger Joel Dykstra released his debut TV ad, in which he urges his opponent to engage in a more robust public debate about the issues.

• Democratic incumbent Tim Johnson presents his record on "Energy" issues and his plan to achieve energy independence in a new spot.

North Carolina governor (tip sheet)

• Charlotte Mayor Pat McCrory's sister aims to discredit an attack ad that criticized the Republican's position supporting stem-cell research. She contends McCrory does "The Right Thing."