Taking part in an escalation of the ongoing conflict flanked by the U.S. government and the nations promising health marijuana industry, Californias four U.S. attorneys sent print Wednesday and Thursday notifying by the side of slightest 16 pot shops before their landlords with the purpose of they are violating federal drug laws, even though remedial marijuana is official happening California. The attorneys are scheduled to announce their coordinated crackdown by the side of a Friday news league.