In Tennessee's 6th District, GOP freshman Rep. Diane Black also fought off a spirited challenge from Lou Ann Zelenik, the second-place finisher to Black in the 2010 primary, too. Black also squeaked out a narrow win in a crowded field two years ago, and Zelenik based her campaign partly on opposition to a new mosque in Murfreesboro, an issue with some local traction. But Black spent over $2 million defending her seat, enough to fight off Zelenik and two super PACs financed by a local investor. Black's 6th District is also a safe Republican seat.
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