the home stretch. countdown is on midterms are closing in on us. carl cameron is all over the hottest races. carl joins us live from new york. >> reporter: greetings about -- greetings from the big apple. there are real squeakers to look at. there are four incumbent democratic races that are essentially already put in's lock turning to republicans. we're talking about wisconsin, look at this. in this seat, russ feingold the democratic incumbent is in serious trouble. so far behind he's behind ron johnson businessman and tea party backed candidate that democrats have all but written that seat off. arkansas, blanche lincoln in such trouble she too is trailing and likely to lose to boozman. this is another example of a democratic incumbent going down. two potential pick-ups for republicans out of 10 they need. there's been retirements.