A torrent of violence during an 18-hour stretch Monday evening and Tuesday left four people dead and five other people wounded by gunfire across Oakland, California, including three men who had just finished praying at a local mosque and a teen girl who was left gravely injured. The run of violence was punctuated Tuesday afternoon with a shooting that left one person dead and another wounded near Oakland City Hall. Taken together, the bloodshed left Oakland police reeling and led to renewed calls for an end to the gun violence that has seen homicides jump across the city over the last few year...