“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. "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."
Rollins will serve an advisory role with the campaign, while current campaign strategist Keith Nahigian assumes the role of campaign manager on an interim basis.
"Keith has played a vital role in the success we have had to date and I'm confident he can lead us to a strong finish in Iowa, New Hampshire, South Carolina and across the country," Bachmann said.
The news comes as Bachmann's standing has dropped in several polls, thanks in part to Texas Gov. Rick Perry's entrance in the 2012 GOP race.
Leaders from military and veterans service organizations joined Sens. Roger Wicker, R-Miss., Kelly Ayotte , R-N.H., and Lindsey Graham, R-S.C., at a press conference to urge the Senate to replace a provision in the budget proposal that cuts retirement benefits for veterans. Wicker, Ayotee, and Graham earlier called for a bipartisan solution to replace the $6.3 billion in cuts to military retiree benefits.
Each year since 1990, CQ Roll Call has reviewed the financial disclosures of all 541 senators, representatives and delegates to determine the 50 richest members of Congress. This year's report, derived from forms covering the calendar year 2012, shows it took a net worth of $6.67 million to crack the exclusive club.