The Washington Post

The math is against the challenger in Hawaii's very unusual prolonged primary.

This just doesn't happen very often.

The matchup between appointed Sen. Brian Schatz (D-Hawaii) and Rep. Colleen Hanabusa (D-Hawaii) is the latest example of a Hawaii Democratic Party pitting a white candidate against an Asian-American one. Asian-Americans have won most of these matchups.

In picking Lt. Gov. Brian Schatz for the Senate, Gov. Abercrombie rolled the dice on a political ally. And it could backfire.

The state Democratic Party will provide a list of three finalists to the governor.