CQ POLITICS NEWS Aug. 8, 2010 – 10:35 p.m. Rothenberg’s Dangerous Dozen Open House Seats By Stuart Rothenberg, Roll Call Contributing Writer Competitive open seats usually follow the direction of the overall cycle, so with House Republicans poised for large gains, it should be no surprise that most of the open seats that flip will be headed their way. The districts at the top of the list are more likely to flip, with at least the first half-dozen looking like no-brainers. Tennessee’s 6th. Democratic Rep. Bart Gordon ’s retirement hands this seat to state Sen. Diane Black, who won Thursday’s...