The worm farm is celebrating its first anniversary. A year ago the grandsons helped set up the worm bin, drilling air and drainage holes, and putting in rotting leaves, compost and a little soil.  All of that was really unnecessary; red wigglers are not the earthworms that live in our gardens. Red wigglers are happy with damp shredded newspaper. We started with one pound or about 1000 baby worms.  The worm bin lived outside into the fall on the…