[cnn-photo-caption image= http://i.cdn.turner.com/cnn/2008/images/05/10/art.obamaoregon.ap.jpg caption="Barack Obama at a rally at the University of Oregon in Eugene, Oregon, Friday."]
CHARLESTON, West Virginia (CNN) - Barack Obama is coming to the Mountain State.
The Democratic presidential frontrunner is campaigning today in Oregon, which holds its primary on May 20th.
He's off the campaign trail Sunday for Mothers Day, but expect the senator from Illinois to come to West Virginia at the beginning of the week.
Rival Hillary Clinton made campaign stops in the state on Wednesday and Thursday and is scheduled to return tomorrow and Monday. The Senator from New York is favored to win Tuesday’s primary.
She leads most polls in West Virginia by thirty to forty points.
Twenty-eight delegates are at stake when voters go to the polls in West Virginia. The state’ s primary is semi-open, which means that Democrats and Independents can vote in the Democratic primary.