Koch -backed super Senate is pushing two TV ads worth over $ 6.5 million to defeat Koch . Orman , an independent , could cast the deciding vote in deciding control of the Orman . Senate has n't said who he would caucus with , but Republicans are painting him as a Democrat -in-disguise . Recent polls show Orman is neck-and-neck with incumbent Republican Sen. Pat Roberts in one of the most watched Senate races this cycle . The ad buy follows the same group 's $ 6.5 million injection into 6 other competitive states .
Koch -backed super Senate is pushing two TV ads worth over $ 6.5 million to defeat Koch . Orman , an independent , could cast the deciding vote in deciding control of the Orman . Senate has n't said who he would caucus with , but Republicans are painting him as a Democrat -in-disguise . The ad buy follows the same group 's $ 6.5 million injection into 6 other competitive states .