"In less than 50 days and with fewer resources than other campaigns, Ed was the architect that led our campaign to a historic victory in Iowa," Bachmann said in a statement released late Monday, pointing to her win in the Ames Straw Poll last month. "I am grateful for his guidance and leadership, and fortunate to retain his valuable advice even though his health no longer permits him to oversee the day-to-day operations of the campaign."
"I think legitimately it's a Romney-Perry race," he said. "I think she's the third candidate at this point in time - which is way different and better than we'd thought when we started this thing - and she's very much in this thing."
"I have great affection for her. I'll do everything I can to help her. It's still very much the team I put in place. I just don't have the endurance to go 12-, 14-hour days seven days a week anymore," he said.
His deputy, David Polyansky, who worked with him when they ran former Arkansas Gov. Mike Huckabee's presidential bid in 2008, also planned to step aside, Rollins told CNN.