Van Conner, co-founding bassist of alternative rock band Screaming Trees, has died at 55. Conner’s brother and bandmate, Gary Lee Conner, shared the news in a social media statement. “Van Conner, bassist and songwriter of Screaming Trees, died last night of an extended illness at 55,” he wrote. “It was pneumonia that got him in the end. He was one of the closest friends I ever had, and I loved him immensely. I will miss him forever and ever and ever.” Born in 1967 in Apple Valley, Calif., and raised in Ellensburg, Wash., Conner formed the band Explosive Generation in...