This type of infighting is bad.
Yep, and it's all Bachmann's fault. She cut some sort of a deal with the GOP-E back in December to help take down Sarah. In January, members of her staff suddenly showed up in Iowa and South Carolina and started bad mouthing Sarah to the state and local GOP leaders. Next thing you know she hired Ed Rollins, who promptly plunged a dagger in Sarah's back only 24 hours after taking the job as MB's campaign manager.
MB could have taken the high-road and tag-teamed with Sarah to defeat the corrupt GOP good ol' boys club in DC and Obama, but instead she has proven herself to be a graceless opportunist who made a deal with some devils who will yank the rug from out under her as soon as her job of stopping Sarah is done.