The rise in the use of so-called medical marijuana led to a boom industry in California, from dispensaries to start-ups offering grow-your-own gear. But the Obama administration has cracked down on ... more 

The rise in the use of so-called medical marijuana led to a boom industry in California, from dispensaries to start-ups offering grow-your-own gear. But the Obama administration has cracked down on the business -- with harsh consequences on local tax revenue. Duration: 02:08 less