101 by Tom Pitts Down & Out Books, PB $18.95, 256 pages, ISBN 978-1-948235-38-9 US Highway 101 runs north from the San Francisco Bay, up to Humboldt County . . . the remote, pot growing area of California known as the emerald triangle because of all the grow operations up there.  It’s an area that’s rugged, fertile and brimming with fierce and independent cultivators of the magic green plant