But it's almost inevitable that principles, politics and profit will conflict. To wit: Coors Brewing Co., in Golden, Colo., will donate biofuel made from beer waste to power the convention's fleet of flex-fuel vehicles. -- but it has rankled die-hard liberals, who boycotted Coors in the 1960s and '70s to protest hiring practices that they said discriminated against blacks, Latinos, women and gays.

Convention officials say Coors is a good corporate citizen. And a Coors spokeswoman says the donation was a gesture of civic pride, not politics.

No matter, grumbles Anna Flynn, a longtime union member from Denver who objected to the donation. "Any way you put it, it's still Coors," she says.

Ch...

But it's almost inevitable that principles, politics and profit will conflict. To wit: Coors Brewing Co., in Golden, Colo., will donate biofuel made from beer waste to power the convention's fleet of flex-fuel vehicles. -- but it has rankled die-hard liberals, who boycotted Coors in the 1960s and '70s to protest hiring practices that they said discriminated against blacks, Latinos, women and gays.

Convention officials say Coors is a good corporate citizen. And a Coors spokeswoman says the donation was a gesture of civic pride, not politics.

No matter, grumbles Anna Flynn, a longtime union member from Denver who objected to the donation. "Any way you put it, it's still Coors," she says.

Chris Lopez, a spokesman for the host committee, says that securing a diverse group of sponsors is as much about showcasing the regional economy as promoting sustainability. He added that Democrats are nudging sponsors to "think green" by participating in an eco-festival and cutting back on paper fliers stuffed into delegate goody bags.

Watching the greening frenzy from afar, Fred L. Smith Jr., president of the libertarian Washington think tank Competitive Enterprise Institute, suggested the Democrats could really shrink their footprint by staging a virtual-reality convention: "Just have everyone stay at home with their laptops, sitting in their pajamas, interacting through their avatars."

True, she did try (unsuccessfully) to get bottled water banned from the convention hall. But remember those balloons? She checked the compost heap last week -- and found them still intact.
And if they don't? "The balloons will be there," she promises.
So will the fanny packs -- made in the USA of undyed, organic fabric. Mr. DeMasse vows to get a union shop to print the logo, but he says the ink will be petroleum based. Unless, that is, he decides to get the logo embroidered -- with biodegradable thread.