Can no force stand up to power of Critical Mass? Willie Brown was no match for the monster .. but Willie didn't have a WALKING HORDE OF UNDEAD. Preliminary reports from local Zomboligists predict some sort of catyclismic corpse animation coming this Friday, the 25th, around 6pm. And by terrible, horrible, coincidence, that's exactly the same time that an army of revenge-seeking bicyclists will take the the city's streets. Epic battle is inevitable.