By Dan Weil Ken Griffin of Citadel says curbing Russian access to U.S. technology and to U.S. dollars could be counterproductive. Hedge fund heavyweight Ken Griffin thinks some of the sanctions the U.S. is imposing on Russia will be counterproductive. The chief executive of Citadel said that includes curbing Russian access to U.S. technology and to U.S. dollars. Griffin said in an interview with Bloomberg that the technology sanctions being slapped on Russia remind him of the ones we’ve placed on China. And he’s certainly not impressed with those. “We are hurting one of the leading parts of ou…