Seattle police have filed second-degree murder charges against 28-year-old Brian Keith Brown in the beating death of James Paroline. Brown delivered a single punch that killed Paroline, who was tending a traffic circle garden last Wednesday in Rainier Beach. Police are searching for the suspect who is still at large and a $500,000 warrant has been issued. Brown has a history of violence and has been previously convicted for third-degree assault, after nearly choking an......