limited republican governor paul lepage. voters there use the ranked choice system for the first time in a statewide election. northern virginia republi will choose between incumbent congresswoman barbara comstock and retired air force pilot hill. and in nevada, democrats are slugging it out to get the party nomination for governor. chief correspondent jonathan hunt is in las vegas tenant. >> i'm running for governor. how are you? >> what's her name? >> it's the toughest race in nevada. two clark county commissioners seeking to rally the democratic base in a year when the party believes it can win the governorship for the first time this century. >> on the best candidate because i got the experience. >> i've been in progress and before it was a word. >> hillary clinton is also waiting to boost her credentials. >> i've known chris for many years annexing how she has been an extraordinary progressive leader for nevada.