Go to any MD who is registered to give you the license. Easiest place is Venice.
By needing it i quess but try a townhall or the police maybe the doctors
We need to know in which state as well.
yes. Though I am not sure you can grow it at all anymore even with a medical license. If you can get one ( which at one point was very easy but is now quite hard), there are stores that you can buy...
ALOT and over 50 million Americans smoke buds