Amid a hard fade in the polls and a struggle to remain in the 2012 spotlight, Michele Bachmann suddenly finds herself back in the headlines for all the wrong reasons — namely, her troubling habit of making misstatements and demonstrably false claims. It’s a problem, former top staffers for the Minnesota congresswoman told POLITICO, that’s plagued her since she first arrived in Congress in 2007. Three former senior aides to Bachmann painted a picture of a shoot-from-the-lip member who cavalierly makes assertions without knowing the facts — and would occasionally make them up to suit her needs. The issue was...