mattea, you're looking at three states now critically important. which ones? >> one, north carolina. donald trump absolutely has to win north carolina, if the map follows what we've seen historically, and we are seeing president obama go that state twice this week. they're practically taking up residency there. something the clinton people believe they can cut him off very early if they are able to lock down north carolina. two states that are warning signs for the clintons, however. michigan, seeing the trump campaign put in money and we really, clinton is going to have to really drive up her share of enthusiasm among african-american voters in that state in order to win, and colorado, where the clinton campaign went back on the air in a state where they thought they had locked down. >> looking at three states too? >> conventional, though. ohio, norlg carth carolina, flo. donald trump doesn't become president without them. he needs to win those three states. states that see results. certainly not final results, but see results early on, and no mistake we see