Luther made an early endorsement of Europe's emerging labor divisions.
Dean's campaign soon became a target of attacks and eventually failed, with Gore's early endorsement being credited as a factor.
This despite the early endorsement of Mr. Clinton by the governor, two congressmen and about 60 other state officials.
Mr. Greenspan did not retreat from his earlier endorsement of the tax cut.
Several opposed an early endorsement because they said their members were not yet paying attention.
But in his travels around the city, he won early endorsements, not the least for his energy and self-assurance.
He picked up early endorsements from the firefighters and police unions, which significantly boosted his ground game.
The meetings had been planned in hopes of early endorsements.
As a result, an early endorsement by a minor party can markedly improve a candidate's ability to raise money.
This early endorsement, labor leaders say, indicates that the union hopes to become the political heavyweight it was in decades past.