Hawaii Sees Actual Race for Senate

First time since 1976 with no incumbent to keep in office.

It's a once-in-a-generation occurrence: A competitive U.S. Senate race in Hawaii.

That's exactly what may be shaping up as two Democrats, Rep. Mazie Hirono and former Rep. Ed Case, square off in a primary Saturday for the chance to take on former Gov. Linda Lingle, the likely Republican Senate nominee.