CNBC anchor Trish Regan takes you behind the scenes of America's thriving pot industry, to show readers things only drug dealers know about this secret world. Forget amber waves of grain. Today, it's marijuana plants that blanket the nation from sea to shining sea in homes, in backyards, and even in our national parks. In Joint Ventures, Trish Regan takes you behind the scenes to explore every aspect of this flourishing underground economy. Her focus is the so-called Emerald Triangle Northern California's Mendocino, Humboldt and Trinity counties where many small-time, part-time...