89.3 KPCC:  “Long Beach police and U.S. Drug Enforcement Administration agents raided seven medical marijuana dispensaries Wednesday in what officials said was the beginning of a crackdown on pot shops in the city.  ‘We started with this first seven, and it is our intent to continue targeting each of these locations until we reach every single one of them,’ said police spokeswoman Nancy Pratt. . . . Police arrested 40 people in Wednesday’s raid”