Just as federal medical marijuana policy appears to be moving toward sanity, some local officials in the nation's second largest city seem to be losing it altogether. Earlier this month, I reported on Los Angeles District Attorney Steve Cooley's decision to use resources prosecuting each of the area's medical marijuana collectives as common drug dealers -- even those operating within city or county guidelines. Now, Los Angeles City Attorney Carmen Trutanich joins Cooley in his fight against the popular…