Pot acceptance grows, as entrepreneurs get creative

California's been at the forefront of the marijuana industry for decades, first as a favored growing location while the drug was illegal everywhere, then as the first state to make marijuana legal for medicinal purposes, and finally as one of the first few states to approve the sale of recreational pot. But even with this embrace, marijuana use remains a complicated and controversial topic — for government, for employers, for parents and so many more. Yahoo News today sought to dive deep into…