Howard Dean campaign workers Jason Epstein of Los Angeles, left, Charisse Spurr of New York and Chris Warshaw of Mechanicburg, Pa., man the phone banks looking for support at their campaign headquarters in Livonia, Michigan.
Marquette County Democratic caucus volunteer Mary Ann Fry, left, accepts Marquette resident Jerry Norbert's ballot.
Mariam Chebbani, left, puts her Michigan Democratic Presidential Caucus ballot into the ballot box as her husband, Issa, waits at the Ford Community & Performing Arts Center in Dearborn.
Residents of several voting precincts in Renton, Wash., listen as precinct officer Don Moreland reads caucus meeting rules at the start of a Washington state caucus meeting at the Carpenter's Hall.
Precinct officer Don Moreland, center, leads a precinct caucus meeting at the Carpenter's Hall in Renton, Wash.
From left, Melanie Wheeler, Cherlyn Briggs, and Jane Foster, all of Renton, Wash., look at a map to determine their precinct numbers in order to sign in at the start of a Washington state Democratic caucus meeting.
Robert Poli, right, signs in at the start of a Washington state caucus meeting as Dean Bergquist looks on.
Voters crowd around John Warren to listen to instructions on how the caucus works at the Labor Temple in Seattle.
From John Kerry's state campaign headquarters in Seattle, volunteer Brian Freeman, right, explains to Deb Saxon how to garner support for Kerry at her caucus.
A Howard Dean supporter tries to sway other voters as she stands next to a seated John Kerry suporter at a caucus in Seattle, Washington.
Votes are taken during a causus at the Labor Temple in Seattle, Washington.