CNN's American Morning has a thing for cheesy rock-and-roll intros, and the Daily Show tonight showcased the most embarrassing among them, including Scorpion's "Rock You Like A Hurricane" for a story on Tropical Storm Bertha or "Changes" by David Bowie for everything from credit cards to reform in China. But the best part comes at the end, when host Jon Stewart reveals how American Morning host John Roberts, once considered heir apparent to Dan Rather at the CBS Evening News, learned to pair pop hits with headlines. Hint: Think Adam Curry. Click the icon for video. UPDATE: