 Few people would argue that there are higher levels of stress and anger than ever before. Frontline workers, airline personnel, and others can attest to a trend of increased aggression. Whether victim or observer, an encounter with aggressive or angry behavior can catch anyone off guard. How can we cope and protect ourselves? Experts say remaining calm is key to ensuring that a precarious situation doesn't escalate. Dean Tetke of Ivins found a source to help him stay calm.