They are leaving the old-fashioned shoe-leather and reaching out efforts to their union backers.
Sometimes union backers have embarrassed Met board members at their workplace.
Its union backers are taking laptop computers into workplaces to help members apply for ballots and vote.
But he finished fourth or fifth in the primary states on Tuesday and appeared to be hanging on mainly to please his union backers in Michigan.
Meanwhile, union backers came up to the men on the picket line, slipped them this or that, and then went on their way.
One of Ed Miliband's major union backers was accused of breaching the spirit of the rules surrounding the Labour leadership vote.
Risks for Democrats Yet, the passage of no trade bill this year would also pose risks for Democrats and their union backers.
Labour's Ed Miliband says he is right to support a government cap on public sector pay - amid criticism from two of his union backers.
Republicans are heavily outnumbered in the state Assembly and Senate and cannot get anything done without support from Democrats and their union backers.
Democrats and their union backers accused the Republicans of ramming through union-busting proposals.