... The so-called major party Senate candidates and their supporters are slinging the televised campaign mud. One of the latest negative ads compares voting for Giannoulias to driving drunk, at the end of the ad saying, "friends don't let friends vote Alexi". The group American Crossroads is responsible for that ad. American Crossroads was founded by Karl Rove, former President George W. Bush's political guru. The group is helping republican Congressman Mark Kirk against Giannoulias. "Of course, he's gonna put up characters and cartoons because he can't talk about his own record in Washington, D.C.," said Giannoulias. "He voted against...