Hundreds of inmates using pipes and shanks as weapons trashed a California prison, burning a courtyard, ripping beds to shreds and tearing bathroom sinks from walls, a new video of the weekend riot’s aftermath shows. Video shot by CNN affiliate KABC gave the first glimpse of the damage to the California Institution for Men in Chino from a riot that authorities said was ignited by racial tensions. “This certainly is probably the worst that we’ve seen, especially adding the extensive damage to the unit that has been burned,” prison spokesman Lt