In her new book, Nancy Kline, best-selling author of Time to Think, makes this radical proposal: 'I won't interrupt you' is a promise that changes everything. It deepens relationships, spawns dignity, raises the intelligence of groups and enriches every conversation. It may, in fact, be the most important promise we ever make. And the hardest to keep. This promise matters because when we interrupt each other, we interrupt our thinking, and that i...