"Eight months after Michele Bachmann's 2012 presidential bid ground to a halt in Iowa, her campaign manager there signed a sworn affidavit, pointing his finger at another top staffer in a still-simmering dispute over the misuse of a contact list of home-school family names," NBC News reports. "The list was the at the center of a flap late in Bachmann's presidential run, when a powerful Iowa home-school network called NICHE complained that its collection of contacts for thousands of home-school families had been mined by the campaign and used to expand its fundraising."