Clinton is adding key staffers to her tight-knit camp.
Jim Messina said Obama's 2012 reelection campaign only scratched the surface.
Messina managed President Obama's 2012 campaign.
High-level officials have asked if Messina is interested in being a placeholder in Senate.
David Axelrod tweeted Perry's indictment was "sketchy," but Jim Messina cheered it.
Messina has been named co-chairman of the country’s largest liberal super-PAC.
Officials expressed interest in seeing Jim Messina serve as a placeholder until November.