Hillary Clinton has a new ad running in Nebraska, where 24 delegates are stake in this Saturday's caucuses. The spot features a one-time giant of state politics, former Senator Bob Kerrey:

Barack Obama has done exceptionally well in Mountain and Prairie West caucuses, and the campaign is probably hoping for a big win here as well. The question for Hillary is whether Kerrey's endorsement can help trump Senator Ben Nelson and Omaha Mayor Mike Fahey, the two current leaders of the state party who are both actively supporting Obama.