Around the NFC West: July 19, 2013The tactics San Francisco 49ers coach Jim Harbaugh used to warn his players against getting into trouble this offseason brought to mind immediately Ahmad Brooks' failure to do so.But now that prosecutors have decided against charging Brooks for assaulting teammate Lamar Divens, can Harbaugh credibly look the other way? Tim Kawakami of the San Jose Mercury News asks that question toward the middle of his latest column.