40,000 people under evacuation orders after a chemical tank leak in Southern California

Why this matters: an international story with cross-border implications worth tracking.

At an aerospace plastics facility, a storage tank holding methyl methacrylate, a hazardous chemical used to make plastic parts, overheated on Thursday and is now at risk of exploding. The Orange County fire authority pleaded with residents to follow evacuation orders, insisting that this 'is not pre