‘Then Again’: Diane Keaton looks back

As the title character of Woody Allen’s “Annie Hall,” Diane Keaton won the world’s heart and secured herself as one of Hollywood’s most beloved. In “Then Again,” the actress looks back at her life and her mother’s incalculable impact on it. Here’s an excerpt.THINK Mom loved adages, quotes, slogans. There were always little reminders pasted on the kitchen wall. For example, the wo