The Alaska Senate race between Mary Peltola and Dan Sullivan now looks like a true dead heat, and with Democratic momentum rising nationally in a state that has always been difficult to poll and predict, this contest could play a major role in deciding control of the U.S. Senate.

Democrats have turned a Senate map that should heavily favor Republicans into a real battleground, with momentum, polling, and strong candidates suddenly putting states like Maine, North Carolina, Texas, and even longer-shot targets into serious play.