An update in Hawaii's May 22 special election: the AFL-CIO will send out a mailer for state Senate President Colleen Hanabusa, Hotline OnCall's Reid Wilson reports.

This is a winner-take-all race for the district where President Obama was born and raised, and it features two Democrats, Hanabusa and former U.S. Rep. Ed Case, plus Republican Honolulu City Council member Charles Djou. Observers are wondering whether the presence of two Democrats will hand the district to Republicans.

Hawaii's two Democratic senators, Daniel Akaka and Daniel Inouye, are supporting Hanabusa. Politico has reported that national Democrats are quietly giving support to Case.