CAMBRIDGE, Mass. - Philip Morrison, one of the inventors of the atomic bomb and an early leader in the search for intelligent life elsewhere in the universe, has died. He was 89. Morrison, a professor emeritus at the Massachusetts Institute of Technology, died in his sleep at his home Friday, the university announced Monday. "Phil was a great physicist," said Marc Kastner, chairman of the physics department at MIT. "He was spectacular at explaining physics to the public, too." Morrison was the host of "The Ring of Truth," a six-part series aired by PBS, and a book review editor for...