I'm sorry. I thought "grassroots" meant something akin to "community organization." My bad! Okay, Obama isn't grassroots. But he has still put together the sin

I'm sorry. I thought "grassroots" meant something akin to "community organization." My bad! Okay, Obama isn't grassroots. But he has still put together the single most powerful team of volunteers any election has seen. And he's orchestrated a lot of it over the Internet.