Bob Weir, Grateful Dead co-founder, dies aged 78

Bob Weir, the guitarist who co-founded the Grateful Dead, has died aged 78.Weir, a cornerstone of the California psychedelic rock group and many of its offshoots, passed away after a battle with cancer and lung issues, according to a post on his Instagram."There is no final curtain here, not really. Only the sense of someone setting off again," the post says, noting his hopes that his legacy and lengthy catalogue…