Democrats caucus

Democratic presidential candidate Bernie Sanders speaks at a campaign stop Saturday in Madison, Wis.

Democratic presidential candidate Bernie Sanders speaks at a campaign stop in Madison, Wis.

Bernie Sanders supporter Stephen Wong and Hillary Clinton supporter Benita Lozano stand up for their candidates at the Democratic caucus in Anchorage, Alaska, on Saturday.

A long line of voters waits for the doors to open at the West High School gym for Saturday’s Democratic presidential caucus in foggy Anchorage, Alaska.

Lorann Gifford, standing, tries to convince undecided voter Romana Marshall to support Hillary Clinton at a caucus site in Olympia, Wash., Saturday.

Hand-held cards direct voters to their precinct gathering areas at a caucus in Seattle.

Precinct groups meet on steps, the sidewalk and in a parking lot outside the overflowing Town Hall in Seattle during Saturday’s caucuses.

Voters gather to caucus at Martin Luther King Elementary School in Seattle.

Precinct volunteer Karen Jensen counts votes at a caucus at Martin Luther King Elementary School in Seattle.