john king back to read the tea leaves for us .3 when we want more information, we always go back t john king. and here we are. how could toght's results afbt the democrats for the house? >> tonight could be critical to the math in the end. why? one of our question, will the democrats have a candidate against jeff denam. why does that matter? hillary clinton carried this districts. democrats can get it. it's gettable. will they have a candidate? right now they do, but only 36% of the vote come in. unclear if they'll have a candidate. that's one of the races where democrats if they get locked out, it turt hurts their chance. duncan hunter, diane harkey is the republican leading in darrel iss a's district. democrats can get it if it's a blue year. will thf a candidate? right now they do. but only 13% soft vote in. they have a possibility to get