Green group ties Lincoln, BP in final push for Halter

“It’s time to send big oil a message: On Tuesday, send Blanche Lincoln packing,” the ad continues.

The ad is part of what an LCV spokeswoman Kate Geller called a six-figure campaign that also includes e-mail and telephone outreach (but not automated “robo-calls,” she said).

Lincoln’s campaign could not immediately be reached for comment.

The winner of the runoff will face Rep. John BoozmanJohn Nichols BoozmanLobbying World The Hill's Whip List: Republicans try again on ObamaCare repeal GOP senator undergoing follow-up surgery next week MORE (R-Ark.) in the general election.