FLASH: JUDY WOODRUFF LEAVES CNN This message was just sent on CNN's internal messaging system: "To my colleagues and friends at CNN: I've decided to leave daily journalism after 30 years, 12 of them at this network. I've had challenging and exciting opportunities, been supported by an amazing and talented group of people, and made lifelong friends. I wish them the very best. I'm discussing several long-form projects in television. I'll also teach, do some writing and be an occasional consultant and contributor to CNN. To all of you at CNN who have been so wonderful to me, I can't...