Something slightly odd is happening in North Dakota. But either way, it's not a state either candidate needs to be concerned with this time around. In ten years, though...
I don't know, with the oil boom the state is only getting more conservative but when the boom goes bust a dramatic shift will happen. All of these polls show a big east west divide, Romney is only up by 1% in the eastern half of the state but he is pounding Obama out west.
ND is an odd state. Half of the state is like Iowa while the other half is like Wyoming.