The Mega Millions jackpot has reached an estimated $980 million ahead of Friday night's drawing, making it the eighth largest in history. The prize has a cash value of over $452 million. David Muir reports. https://abcnews.link/Gy9Loox?utm_source=facebook&utm_medium=social&utm_campaign=dhfacebook&utm_content=app.dashsocial.com/abcworldnewstonight/library/media/607052143 | ABC World News Tonight with David Muir