The big Bangs An Austin friend delivers an expansive anthology of work by the legendary rock critic To hear John Morthland tell it, Lester Bangs was a passionate, honest man. One of the best rock critics who ever lived, he could dismiss Dylan, praise Anne Murray and show his allegiance to Lou Reed, Black Sabbath and Stevie Nicks all at once. And do so in a smart, gonzo-prose style that hypnotized a generation or two of rock scribes. He was, however, known for changing his mind now and again. "He changed his mind about bands a lot," says Morthland, a...