A television reporter turned political candidate said he plans to remain on a small scaffold near the top of a tower to focus attention on his long-shot bid to unseat a U.S. senator.

Dale Cardwell was hoisted more than 300 feet up the Corey Tower near downtown Atlanta on Tuesday morning. He said he expects to remain there "for days," sleeping in an insulated sleeping bag and eating military rations. A Webcam tracks his limited movements. Overnight temperatures are expected to drop into the 20s.

Cardwell, who hopes to unseat Republican Saxby Chambliss, said he thinks the publicity stunt won't hurt his credibility, but will make people curious about his message: that politicians should pay more attention to the concerns of working people and less to those of wealthy corporate interests.

Cardwell faces DeKalb County chief executive Vernon Jones in the Democratic primary July 15.