News reports in the Philippines state that Mount Mayon volcano is spewing ash, rocks and lava. Some 10,000 residents near the volcano have been relocated. The volcano, famous for it's perfect symmetry, is expected to continue its restiveness. I am reminded of the explosion of another Philippine volcano, Mount Pinatubo, back in June 15, 1991. Considered one of the largest eruptions of this century, Mount Pinatubo's explosion lowered the earth's temperature by about .5 degrees centigrade from…