Yesterday evening, we all streamed off the subway at 49th Street, whole cars full of angry young people with homemade signs, right up to the middle of the avenues above, weaving through stopped cars, chanting about Eric Garner, late into the night. Early, early this morning, when most of last night's marchers were still asleep, another group of protesters-another group of working people-massed at a McDonald's in Downtown Brooklyn.