NEW YORK (AP) — The crisis-management playbook is pretty simple: Get ahead of the story, update authorities and the public regularly, accept responsibility and take decisive action. Crisis-management experts say that until Wednesday, Facebook was 0-for-4. Facebook's two top executives, CEO Mark Zuckerberg and chief operating officer Sheryl Sandberg, went radio silent after news broke last Friday that political consulting firm Cambridge Analytica may have used data improperly obtained from roughly 50 million Facebook users… Read at AP News