The mysterious Monarch butterfly, which migrates annually between Canada and Mexico, is now facing a new peril: another insect thriving in Western Mexican forests.

By Bonnie Henry, The Arizona Daily Star, Tucson Jan. 31--Teeth rotted by lime juice. A little girl whose nightgown caught fire from a candle, severely burning her. Babies slowly starving to death. This is what keeps Flying Samaritans going back month after month to the villages of Baja California.