WASHINGTON (CNN)Democrats hold an advantage in two states that are critical to the party's chances of taking control of the US Senate, according to new CNN polls conducted by SSRS. The surveys show Democratic Rep. Kyrsten Sinema and former Gov. Phil Bredesen leading their Republican opponents for open seats Arizona and Tennessee, where sitting Republican senators are retiring.
In Arizona, Sinema tops Republican Rep. Martha McSally by 7 points, 50% to 43% among likely voters, while in Tennessee, Bredesen holds a 5-point edge over Rep. Marsha Blackburn, 50% to 45% among likely voters there. Roughly 1 in 6 voters in each state say there's a chance they'll change their mind before Election Day.
http://www.cnn.com/2018/09/17/politics/cnn-polls-arizona-tennessee-senate/index.html

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